McCord, P. M. (2007). Creating a million-dollar-a-year sales income. John Wiley & Sons.
Čikaški stil citiranjaMcCord, Paul M. Creating a Million-dollar-a-year Sales Income. John Wiley & Sons, 2007.
MLA način citiranjaMcCord, Paul M. Creating a Million-dollar-a-year Sales Income. John Wiley & Sons, 2007.
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