Dyfyniad APA

Anderson, D. (2007). How to deal with difficult customers: 10 simple strategies for selling to the stubborn, obnoxious, and belligerent. Hoboken, N.J: Wiley.

Dyfyniad Arddull Chicago

Anderson, Dave. How to Deal With Difficult Customers: 10 Simple Strategies for Selling to the Stubborn, Obnoxious, and Belligerent. Hoboken, N.J: Wiley, 2007.

Dyfyniad MLA

Anderson, Dave. How to Deal With Difficult Customers: 10 Simple Strategies for Selling to the Stubborn, Obnoxious, and Belligerent. Hoboken, N.J: Wiley, 2007.

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