Dyfyniad APA
Ciochon, R. L., & Fleagle, J. G. (1993). The human evolution source book. Prentice Hall.
Dyfyniad Arddull Chicago
Ciochon, Russell L., and John G. Fleagle. The Human Evolution Source Book. New Jersey: Prentice Hall, 1993.
Dyfyniad MLA
Ciochon, Russell L., and John G. Fleagle. The Human Evolution Source Book. Prentice Hall, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.