Farley, J. (1982). Gametes & spores: Ideas about sexual reproduction 1750 - 1914 / John Farley. Johns Hopkins University.
Lua i Stíl Chicago (17ú heag.)Farley, John. Gametes & Spores: Ideas About Sexual Reproduction 1750 - 1914 / John Farley. Baltimore, Md. [u.a.]: Johns Hopkins University, 1982.
Lua MLA (8ú heag.)Farley, John. Gametes & Spores: Ideas About Sexual Reproduction 1750 - 1914 / John Farley. Johns Hopkins University, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.