Παραπομπή APA

Hughes, G. M. (1976). Respiration of amphibious vertebrates. Academic press.

Παραπομπή Chicago Style

Hughes, G M. Respiration of Amphibious Vertebrates. New York: Academic press, 1976.

Παραπομπή MLA

Hughes, G M. Respiration of Amphibious Vertebrates. Academic press, 1976.