Langsam, W. C., & Mitchell, O. C. (1971). World since [1919] (8th ed.). Macmillan.
シカゴスタイル引用形Langsam, Walter Consuelo, , Otis C. Mitchell. World Since [1919]. 8th ed. New York: Macmillan, 1971.
MLA引用形式Langsam, Walter Consuelo, , Otis C. Mitchell. World Since [1919]. 8th ed. Macmillan, 1971.
警告: この引用は必ずしも正確ではありません.