APA (7th ed.) Zitazioa

(1981). Metaphors for evaluation: Sources of new methods. Sage.

Chicago Style (17th ed.) Zitazioa

Metaphors for Evaluation: Sources of New Methods. Beverly Hills: Sage, 1981.

MLA (9th ed.) Zitazioa

Metaphors for Evaluation: Sources of New Methods. Sage, 1981.