Não informado. (1974). Agriculture and Environment. Elsevier Scientific.
Chicagoスタイル(17版)引用形式Não informado. Agriculture and Environment. Amsterdam: Elsevier Scientific, 1974.
MLA(8版)引用形式Não informado. Agriculture and Environment. Elsevier Scientific, 1974.
警告: この引用は必ずしも正確ではありません.