Spokane County Conservation District (Wash.). (1990). Urban forest. Spokane Conservation District.
Style de citation Chicago (17e éd.)Spokane County Conservation District (Wash.). Urban Forest. [Spokane, WA]: Spokane Conservation District, 1990.
Style de citation MLA (8e éd.)Spokane County Conservation District (Wash.). Urban Forest. Spokane Conservation District, 1990.
Attention : ces citations peuvent ne pas être correctes à 100%.