Relethford, J. H. (2007). The human species: An introduction to biological anthropology seventh edition. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Relethford, John H. The Human Species: An Introduction to Biological Anthropology Seventh Edition. McGraw-Hill, 2007.
Lua MLA (8ú heag.)Relethford, John H. The Human Species: An Introduction to Biological Anthropology Seventh Edition. McGraw-Hill, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.