APA citiranje

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

Trích dẫn kiểu Chicago

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

MLA citiranje

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

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