Não informado. (1976). Quick bibliography series. National Agricultural Library, Department of Agriculture.
Chicagoスタイル(17版)引用形式Não informado. Quick Bibliography Series. Beltsville, Md: National Agricultural Library, Department of Agriculture, 1976.
MLA(8版)引用形式Não informado. Quick Bibliography Series. National Agricultural Library, Department of Agriculture, 1976.
警告: この引用は必ずしも正確ではありません.