Lua APA (7ú heag.)

Ivey, P. W. (1925). Elements of retail salesmanship (New and rev. ed.). The Macmillan company.

Lua i Stíl Chicago (17ú heag.)

Ivey, Paul Wesley. Elements of Retail Salesmanship. New and rev. ed. New York: The Macmillan company, 1925.

Lua MLA (8ú heag.)

Ivey, Paul Wesley. Elements of Retail Salesmanship. New and rev. ed. The Macmillan company, 1925.

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