Tohutoro APA (7th ed.)
Schiffman, S. (2008). The 25 sales habits of highly successful salespeople (3rd ed.). Adams Media.
Tohutoru Kātū Chicago (17th ed.)
Schiffman, Stephan. The 25 Sales Habits of Highly Successful Salespeople. 3rd ed. Avon, Mass.: Adams Media, 2008.
Tohutoro MLA (9th ed.)
Schiffman, Stephan. The 25 Sales Habits of Highly Successful Salespeople. 3rd ed. Adams Media, 2008.
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