Dyfyniad APA

BRAI DWOOD, R. J. (1975). Prehistoric men (8th ed.). Scott, Foresman.

Dyfyniad Arddull Chicago

BRAI DWOOD, Robert J. Prehistoric Men. 8th ed. Glenview: Scott, Foresman, 1975.

Dyfyniad MLA

BRAI DWOOD, Robert J. Prehistoric Men. 8th ed. Scott, Foresman, 1975.

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