Hartl, D. L. (1985). Our uncertain heritage: Genetics and human diversity (2ª ed.). Harper and Row.
Lua i Stíl Chicago (17ú heag.)Hartl, Daniel L. Our Uncertain Heritage: Genetics and Human Diversity. 2ª ed. Harper and Row, 1985.
Lua MLA (9ú heag.)Hartl, Daniel L. Our Uncertain Heritage: Genetics and Human Diversity. 2ª ed. Harper and Row, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.