Dyfyniad APA

Laylander, D. (1995). The question of prehistoric agriculture among the western Yumans. Universidad Autónoma de Baja California.

Dyfyniad Arddull Chicago

Laylander, Don. The Question of Prehistoric Agriculture Among the Western Yumans. Universidad Autónoma de Baja California, 1995.

Dyfyniad MLA

Laylander, Don. The Question of Prehistoric Agriculture Among the Western Yumans. Universidad Autónoma de Baja California, 1995.

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