APA Citatie

Blackman Jeff. (2003). Stop Whining! Start Selling!: Profit-Producing Strategies for Explosive Sales Results. American: Wiley.

Chicago Style citaat

Blackman Jeff. Stop Whining! Start Selling!: Profit-Producing Strategies for Explosive Sales Results. American: Wiley, 2003.

MLA citatie

Blackman Jeff. Stop Whining! Start Selling!: Profit-Producing Strategies for Explosive Sales Results. American: Wiley, 2003.

Let op: Deze citaties zijn niet altijd 100% accuraat.