United States. Bureau of Land Management. Spokane District Office & United States. Bureau of Land Management. Wenatchee Resource Area. (1997). Watchable wildflowers: A Columbia Basin guide. U.S. Dept. of the Interior, Bureau of Land Management, Spokane District, Wenatchee Resource Area.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)United States. Bureau of Land Management. Spokane District Office và United States. Bureau of Land Management. Wenatchee Resource Area. Watchable Wildflowers: A Columbia Basin Guide. Spokane, WA (1103 North Fancher, Spokane 99212): U.S. Dept. of the Interior, Bureau of Land Management, Spokane District, Wenatchee Resource Area, 1997.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)United States. Bureau of Land Management. Spokane District Office và United States. Bureau of Land Management. Wenatchee Resource Area. Watchable Wildflowers: A Columbia Basin Guide. U.S. Dept. of the Interior, Bureau of Land Management, Spokane District, Wenatchee Resource Area, 1997.