Southworth, H. (1972). Farm mechanization in east Asia. Agri. Dev. Coul..
シカゴスタイル引用形Southworth, Herman. Farm Mechanization in East Asia. New York: Agri. Dev. Coul., 1972.
MLA引用形式Southworth, Herman. Farm Mechanization in East Asia. Agri. Dev. Coul., 1972.
警告: この引用は必ずしも正確ではありません.