Washington Conservation Needs Committee. (1962). Washington soil and water conservation needs inventory. Washington Conservation Needs Committee.
Style de citation Chicago (17e éd.)Washington Conservation Needs Committee. Washington Soil and Water Conservation Needs Inventory. [Spokane, Wash.]: Washington Conservation Needs Committee, 1962.
Style de citation MLA (8e éd.)Washington Conservation Needs Committee. Washington Soil and Water Conservation Needs Inventory. Washington Conservation Needs Committee, 1962.
Attention : ces citations peuvent ne pas être correctes à 100%.