Dyfyniad APA

Deuel, T. (1971). The human factor in the behavior of peoples. Illinois State Museum.

Dyfyniad Arddull Chicago

Deuel, Thorne. The Human Factor in the Behavior of Peoples. Springfield, Ill: Illinois State Museum, 1971.

Dyfyniad MLA

Deuel, Thorne. The Human Factor in the Behavior of Peoples. Illinois State Museum, 1971.

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