Dyfyniad APA
Keller, N. (2013). Make it all about them: Winning sales presentations. Wiley.
Dyfyniad Arddull Chicago
Keller, Nadine. Make It All About Them: Winning Sales Presentations. Hoboken, N.J.: Wiley, 2013.
Dyfyniad MLA
Keller, Nadine. Make It All About Them: Winning Sales Presentations. Wiley, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.