Eisman, L., & Tanzer, C. Biology and Human progress (3a ed.).
Cita Chicago (17th ed.)Eisman, Louis, i Charles Tanzer. Biology and Human Progress. 3a ed.
Cita MLA (8th ed.)Eisman, Louis, i Charles Tanzer. Biology and Human Progress. 3a ed.
Atenció: Aquestes cites poden no estar 100% correctes.