Hafenrichter, A. L. (1968). Grasses and legumes for soil conservation in the Pacific Northwest and Great Basin States. U.S. Soil Conservation Service.
Style de citation Chicago (17e éd.)Hafenrichter, A. L. Grasses and Legumes for Soil Conservation in the Pacific Northwest and Great Basin States. Washington: U.S. Soil Conservation Service, 1968.
Style de citation MLA (8e éd.)Hafenrichter, A. L. Grasses and Legumes for Soil Conservation in the Pacific Northwest and Great Basin States. U.S. Soil Conservation Service, 1968.
Attention : ces citations peuvent ne pas être correctes à 100%.