Blackman, J. (2004). Stop whining ! Start selling !: Profit producing strategies for explosive sales results. John Wiley & Sons.
Chicago Style (17th ed.) CitationBlackman, Jeff. Stop Whining ! Start Selling !: Profit Producing Strategies for Explosive Sales Results. John Wiley & Sons, 2004.
MLA (8th ed.) CitationBlackman, Jeff. Stop Whining ! Start Selling !: Profit Producing Strategies for Explosive Sales Results. John Wiley & Sons, 2004.
Warning: These citations may not always be 100% accurate.