Não informado. (1970). Farm chemicals and crop life. Meister Publishing.
Style de citation Chicago (17e éd.)Não informado. Farm Chemicals and Crop Life. Willoughby, Ohio: Meister Publishing, 1970.
Style de citation MLA (8e éd.)Não informado. Farm Chemicals and Crop Life. Meister Publishing, 1970.
Attention : ces citations peuvent ne pas être correctes à 100%.