Callihan, T. W. (1927). A brief course in the selling of life insurance. Prentice-Hall, inc.
Chicagoスタイル(17版)引用形式Callihan, Tressler W. A Brief Course in the Selling of Life Insurance. New York: Prentice-Hall, inc, 1927.
MLA(9版)引用形式Callihan, Tressler W. A Brief Course in the Selling of Life Insurance. Prentice-Hall, inc, 1927.
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