Não informado. (1979). Advances in agricultural technology. Agricultural Research Service.
Chicagoスタイル(17版)引用形式Não informado. Advances in Agricultural Technology. New Orleans, La: Agricultural Research Service, 1979.
MLA(8版)引用形式Não informado. Advances in Agricultural Technology. Agricultural Research Service, 1979.
警告: この引用は必ずしも正確ではありません.