Dyfyniad APA

Hudson, C. . L. (1967). Professional Salesmanship. Staples Press.

Dyfyniad Arddull Chicago

Hudson, Cyril L. Professional Salesmanship. London: Staples Press, 1967.

Dyfyniad MLA

Hudson, Cyril L. Professional Salesmanship. Staples Press, 1967.

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