Chow, Y. (1997). The skill of handling sales objections. A Sterling Paperback.
Čikaški stil citiranja (17. izdanje)Chow, Y.C. The Skill of Handling Sales Objections. Manila: A Sterling Paperback, 1997.
MLA način citiranja (9. izdanje)Chow, Y.C. The Skill of Handling Sales Objections. A Sterling Paperback, 1997.
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