APA (7th ed.) Zitazioa
Valérien, J. (1984). The educational administrator and instructional materials. Unesco.
Chicago Style (17th ed.) Zitazioa
Valérien, Jean. The Educational Administrator and Instructional Materials. Paris: Unesco, 1984.
MLA (9th ed.) Zitazioa
Valérien, Jean. The Educational Administrator and Instructional Materials. Unesco, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.