Arthur, W. (1987). Theories of life: Darwin, Mendel, and beyond. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Arthur, Wallace. Theories of Life: Darwin, Mendel, and Beyond. Harmondsworth, Middlesex, England: Penguin Books, 1987.
Lua MLA (9ú heag.)Arthur, Wallace. Theories of Life: Darwin, Mendel, and Beyond. Penguin Books, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.