Merrell, D. J. (1981). Ecological genetics. University of Minnesota Press.
Lua i Stíl Chicago (17ú heag.)Merrell, David J. Ecological Genetics. Minneapolis: University of Minnesota Press, 1981.
Lua MLA (9ú heag.)Merrell, David J. Ecological Genetics. University of Minnesota Press, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.