LEWIN, R. (1986). Human evolution: An Illustrated introduction (5th ed.). W.H. FREEMAN AND COMPANY.
Cita Chicago (17th ed.)LEWIN, ROGER. Human Evolution: An Illustrated Introduction. 5th ed. New York: W.H. FREEMAN AND COMPANY, 1986.
Cita MLA (9th ed.)LEWIN, ROGER. Human Evolution: An Illustrated Introduction. 5th ed. W.H. FREEMAN AND COMPANY, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.