Dyfyniad APA

Feder, K. L. (2004). The past in perspective: An introduction to human prehistory (3rd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Feder, Kenneth L. The Past in Perspective: An Introduction to Human Prehistory. 3rd ed. Boston: McGraw-Hill, 2004.

Dyfyniad MLA

Feder, Kenneth L. The Past in Perspective: An Introduction to Human Prehistory. 3rd ed. McGraw-Hill, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.