Laylander, D. (1995). The question of prehistoric agriculture among the western Yumans. Universidad Autónoma de Baja California.
Čikaški stil citiranjaLaylander, Don. The Question of Prehistoric Agriculture Among the Western Yumans. Universidad Autónoma de Baja California, 1995.
MLA način citiranjaLaylander, Don. The Question of Prehistoric Agriculture Among the Western Yumans. Universidad Autónoma de Baja California, 1995.
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