Webber, B. (1992). Indians along the Oregon Trail: The tribes of Nebraska, Wyoming, Idaho, Oregon, and Washington identified (Expanded ed.). Webb Research Group.
Цитирование в стиле Чикаго (17-е изд.)Webber, Bert. Indians Along the Oregon Trail: The Tribes of Nebraska, Wyoming, Idaho, Oregon, and Washington Identified. Expanded ed. Medford, Or.: Webb Research Group, 1992.
Цитирование MLA (8-е изд.)Webber, Bert. Indians Along the Oregon Trail: The Tribes of Nebraska, Wyoming, Idaho, Oregon, and Washington Identified. Expanded ed. Webb Research Group, 1992.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.