Dyfyniad APA

Blackman, J. (2004). Stop whining! start selling!: Profit-producing strategies for explosive sales results. Hoboken, N.J.: Wiley.

Dyfyniad Arddull Chicago

Blackman, Jeff. Stop Whining! Start Selling!: Profit-producing Strategies for Explosive Sales Results. Hoboken, N.J.: Wiley, 2004.

Dyfyniad MLA

Blackman, Jeff. Stop Whining! Start Selling!: Profit-producing Strategies for Explosive Sales Results. Hoboken, N.J.: Wiley, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.