Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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