Dyfyniad APA

Connor Tim. (2006). Ninety one Mistakes Smart Salespeople Make. Sourcebooks.

Dyfyniad Arddull Chicago

Connor Tim. Ninety One Mistakes Smart Salespeople Make. USA: Sourcebooks, 2006.

Dyfyniad MLA

Connor Tim. Ninety One Mistakes Smart Salespeople Make. Sourcebooks, 2006.

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