APA (7th ed.) Zitazioa
Weisinger, H. (2000). The power of positive criticism. AMACOM.
Chicago Style (17th ed.) Zitazioa
Weisinger, Hendrie. The Power of Positive Criticism. New York: AMACOM, 2000.
MLA (9th ed.) Zitazioa
Weisinger, Hendrie. The Power of Positive Criticism. AMACOM, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.