Brinkerhoff, R. O., & Dressler, D. E. (1990). Productivity measurement: A guide for managers and evaluators. Sage.
Chicago Style (17. basım) AtıfBrinkerhoff, Robert O., ve Dennis E. Dressler. Productivity Measurement: A Guide for Managers and Evaluators. Newbury Park: Sage, 1990.
MLA (9th ed.) AtıfBrinkerhoff, Robert O., ve Dennis E. Dressler. Productivity Measurement: A Guide for Managers and Evaluators. Sage, 1990.
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