Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.