Blackman, J. (2004). Stop whining! start selling!: Profit-producing strategies for explosive sales results. Hoboken, N.J.: Wiley.
Chicago-stil citatBlackman, Jeff. Stop Whining! Start Selling!: Profit-producing Strategies for Explosive Sales Results. Hoboken, N.J.: Wiley, 2004.
MLA-referensBlackman, Jeff. Stop Whining! Start Selling!: Profit-producing Strategies for Explosive Sales Results. Hoboken, N.J.: Wiley, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.