Loewenberg, J. (1957). Darwinism: Reaction or Reform? Rinehart & Company, Inc..
Lua i Stíl Chicago (17ú heag.)Loewenberg, James. Darwinism: Reaction or Reform? New York: Rinehart & Company, Inc., 1957.
Lua MLA (8ú heag.)Loewenberg, James. Darwinism: Reaction or Reform? Rinehart & Company, Inc., 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.