Stepniewski, A. (1992). Birds of the Yakima River Canyon. U.S. Dept. of the Interior, Bureau of Land Management, Spokane District, Wenatchee Resource Area.
Style de citation Chicago (17e éd.)Stepniewski, Andrew. Birds of the Yakima River Canyon. Wenatchee, Wash.: U.S. Dept. of the Interior, Bureau of Land Management, Spokane District, Wenatchee Resource Area, 1992.
Style de citation MLA (8e éd.)Stepniewski, Andrew. Birds of the Yakima River Canyon. U.S. Dept. of the Interior, Bureau of Land Management, Spokane District, Wenatchee Resource Area, 1992.
Attention : ces citations peuvent ne pas être correctes à 100%.