Bateson, P. P. G., & Klopfer, P. H. (1973). Perspectives in ethology. Plenum press.
Chicago Style aipamenaBateson, P. P. G., and Peter H. Klopfer. Perspectives in Ethology. London: Plenum press, 1973.
MLA aipamenaBateson, P. P. G., and Peter H. Klopfer. Perspectives in Ethology. Plenum press, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.