Blackwell, R. D., & Stephan, K. (2004). Brands that rock. Hoboken, N.J.: John Wiley & Sons.
Dyfyniad Arddull ChicagoBlackwell, Roger D., và Kristina Stephan. Brands That Rock. Hoboken, N.J.: John Wiley & Sons, 2004.
Dyfyniad MLABlackwell, 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.