Citazione Stile APA (7a Edizione)

(1981). Evaluation research and practice:comparative: And international perspectives. Sage.

Citazione stile Chigago Style (17a edizione)

Evaluation Research and Practice:comparative: And International Perspectives. Beverly Hills, Calif: Sage, 1981.

Citatione MLA (9a ed.)

Evaluation Research and Practice:comparative: And International Perspectives. Sage, 1981.