Donahue, P. (1985). The human animal. Simon and Schuster.
Lua i Stíl Chicago (17ú heag.)Donahue, Phil. The Human Animal. New York: Simon and Schuster, 1985.
Lua MLA (9ú heag.)Donahue, Phil. The Human Animal. Simon and Schuster, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.