APA (7th ed.) Zitazioa
Tuckman, B. W. (1972). Conducting educational research.
Chicago Style (17th ed.) Zitazioa
Tuckman, Bruce W. Conducting Educational Research. 1972.
MLA (9th ed.) Zitazioa
Tuckman, Bruce W. Conducting Educational Research. 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.