APA(7版)引用形式

Armstrong, W. H. (1967). Study is hard work (2nd ed.). Harper $ row.

Chicagoスタイル(17版)引用形式

Armstrong, William H. Study Is Hard Work. 2nd ed. New York: Harper $ row, 1967.

MLA(9版)引用形式

Armstrong, William H. Study Is Hard Work. 2nd ed. Harper $ row, 1967.

警告: この引用は必ずしも正確ではありません.