Cita APA (7th ed.)

(1980). Evaluating social action projects: Principles, methodological aspects, and selected examples. Unesco.

Cita Chicago (17th ed.)

Evaluating Social Action Projects: Principles, Methodological Aspects, and Selected Examples. Paris: Unesco, 1980.

Cita MLA (9th ed.)

Evaluating Social Action Projects: Principles, Methodological Aspects, and Selected Examples. Unesco, 1980.