Clark, H. F., & Crobaugh, M. (1937). Life earnings in selected occupations in the United States. Harper & Brothers.
Chicagoスタイル(17版)引用形式Clark, Harold Florian, , Mervyn Crobaugh. Life Earnings in Selected Occupations in the United States. New York and London: Harper & Brothers, 1937.
MLA(8版)引用形式Clark, Harold Florian, , Mervyn Crobaugh. Life Earnings in Selected Occupations in the United States. Harper & Brothers, 1937.
警告: この引用は必ずしも正確ではありません.