(1996). World Agricultural Production. USA: Foreign Agricultural Service - United States Department of Agriculture.
シカゴスタイル引用形World Agricultural Production. USA: Foreign Agricultural Service - United States Department of Agriculture, 1996.
MLA引用形式World Agricultural Production. USA: Foreign Agricultural Service - United States Department of Agriculture, 1996.
警告: この引用は必ずしも正確ではありません.