Laylander, D. (1995). The question of prehistoric agriculture among the western Yumans. Universidad Autónoma de Baja California.
शिकागो स्टाइल उद्धरणLaylander, Don. The Question of Prehistoric Agriculture Among the Western Yumans. Universidad Autónoma de Baja California, 1995.
एमएलए उद्धरणLaylander, Don. The Question of Prehistoric Agriculture Among the Western Yumans. Universidad Autónoma de Baja California, 1995.
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