Dyfyniad APA

WALLACE, R. L. (1983). Those who have vanished: An introduction to prehistory. Dorsey Pr..

Dyfyniad Arddull Chicago

WALLACE, Ronald L. Those Who Have Vanished: An Introduction to Prehistory. Homewood, Ill: Dorsey Pr., 1983.

Dyfyniad MLA

WALLACE, Ronald L. Those Who Have Vanished: An Introduction to Prehistory. Dorsey Pr., 1983.

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