Não informado. (1920). Agricultural Engineering. American Society of Agricultural Engineers.
Style de citation Chicago (17e éd.)Não informado. Agricultural Engineering. St. Joseph, Mich: American Society of Agricultural Engineers, 1920.
Style de citation MLA (8e éd.)Não informado. Agricultural Engineering. American Society of Agricultural Engineers, 1920.
Attention : ces citations peuvent ne pas être correctes à 100%.