Dyfyniad APA

Blackwell, R. D., & Stephan, K. (2004). Brands that rock. Hoboken, N.J.: John Wiley & Sons.

Dyfyniad Arddull Chicago

Blackwell, Roger D., và Kristina Stephan. Brands That Rock. Hoboken, N.J.: John Wiley & Sons, 2004.

Dyfyniad MLA

Blackwell, Roger D., và Kristina Stephan. Brands That Rock. Hoboken, N.J.: John Wiley & Sons, 2004.

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