Não informado. (1970). Farm chemicals and crop life. Meister Publishing.
Chicagoスタイル(17版)引用形式Não informado. Farm Chemicals and Crop Life. Willoughby, Ohio: Meister Publishing, 1970.
MLA(8版)引用形式Não informado. Farm Chemicals and Crop Life. Meister Publishing, 1970.
警告: この引用は必ずしも正確ではありません.