Não informado. (1949). Progressive agriculture in Arizona. University of Arizona, College of Agriculture.
Style de citation Chicago (17e éd.)Não informado. Progressive Agriculture in Arizona. Tucson, Ariz: University of Arizona, College of Agriculture, 1949.
Style de citation MLA (8e éd.)Não informado. Progressive Agriculture in Arizona. University of Arizona, College of Agriculture, 1949.
Attention : ces citations peuvent ne pas être correctes à 100%.