Abdellah, F.G., Levine, E.,(1954), Work-sampling applied to the study of nursing personnel, Nurs. Res. 3:11-16

Besterfield - Sacre, M., Newcome, E., Tokorcheck, M., Shuman, L., Wolfe, H., (2004), Work Sampling of Behavioral Observations for Process - Oriented Outcomes, University of Pittsburg, Department of Industrial Engineering

Davis, H., (1955), A mathematical evaluation of a work sampling technique, Naval Res. Logistics Quarterly 2(1&2):111-117

Duffield, C., Wise, W., (2003), Tell Me What We Do. Using Work Sampling to Find the Answer, Australian Journal of Advanced Nursing, Volume 20, Number 3

Fields, A.,(1969), Activity sampling, Ch. 13 in Method Study, Cassell, London

Finkler, S., Knickman, J., Hendrickson, G., Lipkin, M. Jr., Thompson, W., (1993), A Comparison of Work-Sampling and Time-Motion Techniques for Studies in Health Services Research

Groover, M., (2007), Work Systems and the Methods, Measurement, and Management of Work, Pearson Education, Inc

Jenkins, J., Orth, D, (2003), Productivity Improvement through Work Sampling. AACE International. Transactions of the Annual Meeting, CSC.5.1-CSC.05.7

Karger, D.W., Bayha, F.H., (1966), Work sampling or ratio-delay, Ch. 24 in Engineered Work Measurement. 2cd Ed.,The Industrial Press, NY, NY

Liou, F.S., Borcherding, J.D. (1985). Work sampling can predict unit rate productivity, Journal of Construction Engineering and Management, 112 (1), 90-103.

Larkin, J.A.,(1969), Statistical aids to work study, Ch. 11 in Work Study. McGraw-Hill, NY, NY

Mamlin, J.J., Baker, D.H., (1973), Combined time-motion and work-sampling study in a general medicine clinic, Medical Care 11(5):449-456

Nickman, N.A., Guerrero, R.M., Bair, J.N., (1990), Self-reported work sampling methods for evaluating pharmaceutical services, Am. J. Hosp. Pharm. 47:1611-1617

Orth, D., Welty, S., Jenkins, J., (2006), Analyzing Labor Productivity through Work Sampling, ASC Proceedings of the 42nd Annual Conference, Colorado State University Fort Collins

Sittig, D., (1993), Work Sampling: A Statistical Approach to Evaluation of the Effect of Computers on Work Patterns in the Healthcare Industry, Department of Biomedical Engineering and Center for Biomedical Informatics Vanderbilt University

Thomas, H.R., Daily, J., (1983), Crew Performance Measurement Via activity Sampling, Journal of Construction Engineering and Management, 109, (3), 309-320.

Tippett, L.H.C.,(1935), Statistical methods in textile research: A snap reading method of making time studies of machines and operatives in factory surveys, J. Textile Institute Transactions 26:51-55,75