APA (7e ed.) Bronvermelding

Brinkerhoff, R. O., & Dressler, D. E. (1990). Productivity measeurement: :a guide for managers and evaluators. :Sage Publications.

Chicago (17e ed.) Bronvermelding

Brinkerhoff, Robert O., en Dennis E. Dressler. Productivity Measeurement: :a Guide for Managers and Evaluators. London: :Sage Publications, 1990.

MLA (8e ed.) Bronvermelding

Brinkerhoff, Robert O., en Dennis E. Dressler. Productivity Measeurement: :a Guide for Managers and Evaluators. :Sage Publications, 1990.