Citazione APA

Zweig, F. M., & Marvin, K. E. (1981). Educating Policy Makers for evaluation. Sage.

Stile di citazione Chicago

Zweig, Franklin M., e Keith E. Marvin. Educating Policy Makers for Evaluation. Beverly Hills: Sage, 1981.

Citazione MLA

Zweig, Franklin M., e Keith E. Marvin. Educating Policy Makers for Evaluation. Sage, 1981.