Webber, B. (1989). Indians along the Oregon Trail: The tribes of Nebraska, Wyoming, Idaho, Oregon, and Washington identified. Pacific Northwest Books.
Chicago-Zitierstil (17. Ausg.)Webber, Bert. Indians Along the Oregon Trail: The Tribes of Nebraska, Wyoming, Idaho, Oregon, and Washington Identified. Medford, Or: Pacific Northwest Books, 1989.
MLA-Zitierstil (9. Ausg.)Webber, Bert. Indians Along the Oregon Trail: The Tribes of Nebraska, Wyoming, Idaho, Oregon, and Washington Identified. Pacific Northwest Books, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.