Não informado. (1919). Journal of Farm Economics. American Farm Economic Association.
Style de citation Chicago (17e éd.)Não informado. Journal of Farm Economics. Menasha, Wis: American Farm Economic Association, 1919.
Style de citation MLA (8e éd.)Não informado. Journal of Farm Economics. American Farm Economic Association, 1919.
Attention : ces citations peuvent ne pas être correctes à 100%.