(1967). Human variation and origins: An introduction to human biology and evolution. W. H. Freeman.
Cita Chicago (17th ed.)Human Variation and Origins: An Introduction to Human Biology and Evolution. San Francisco: W. H. Freeman, 1967.
Cita MLA (9th ed.)Human Variation and Origins: An Introduction to Human Biology and Evolution. W. H. Freeman, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.