Washington State University. Cooperative Extension. Spokane County & Fitzgerald, T. J. (1990). Native and adapted landscape plant list for the Inland Northwest. Washington State University, Cooperative Extension, Spokane County.
Style de citation Chicago (17e éd.)Washington State University. Cooperative Extension. Spokane County et Tonie Jean Fitzgerald. Native and Adapted Landscape Plant List for the Inland Northwest. Spokane, Wash.: Washington State University, Cooperative Extension, Spokane County, 1990.
Style de citation MLA (8e éd.)Washington State University. Cooperative Extension. Spokane County et Tonie Jean Fitzgerald. Native and Adapted Landscape Plant List for the Inland Northwest. Washington State University, Cooperative Extension, Spokane County, 1990.
Attention : ces citations peuvent ne pas être correctes à 100%.