Não informado. (1952). National fertilizer review. National Fertilizer Association.
Chicagoスタイル(17版)引用形式Não informado. National Fertilizer Review. Washington: National Fertilizer Association, 1952.
MLA(8版)引用形式Não informado. National Fertilizer Review. National Fertilizer Association, 1952.
警告: この引用は必ずしも正確ではありません.