Pringle, J. (1965). Essays on physiological evolution. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Pringle, J.W.S. Essays on Physiological Evolution. New York: Pergamon Press, 1965.
Lua MLA (9ú heag.)Pringle, J.W.S. Essays on Physiological Evolution. Pergamon Press, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.