Berrien, F., & Wendell, H. (1957). Human relations comments and cases. Harper and Row publishers.
Chicago Style aipamenaBerrien, F.K, and H. Wendell. Human Relations Comments and Cases. New york: Harper and Row publishers, 1957.
MLA aipamenaBerrien, F.K, and H. Wendell. Human Relations Comments and Cases. Harper and Row publishers, 1957.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.