Não informado. (1987). Weed technology. Weed Science Society of America.
Chicagoスタイル(17版)引用形式Não informado. Weed Technology. Champaign, Ill: Weed Science Society of America, 1987.
MLA(8版)引用形式Não informado. Weed Technology. Weed Science Society of America, 1987.
警告: この引用は必ずしも正確ではありません.