Tohutoro APA (7th ed.)
Etherington, B. (2008). Selling skills for complete amateurs. Marshall Cavendish Business.
Tohutoru Kātū Chicago (17th ed.)
Etherington, Bob. Selling Skills for Complete Amateurs. London: Marshall Cavendish Business, 2008.
Tohutoro MLA (9th ed.)
Etherington, Bob. Selling Skills for Complete Amateurs. Marshall Cavendish Business, 2008.
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