Dyfyniad APA

Ryder, R. D. (2003). Brands, trademarks and advertising. LexisNexis Butterworths.

Dyfyniad Arddull Chicago

Ryder, Rodney D. Brands, Trademarks and Advertising. N.Delhi: LexisNexis Butterworths, 2003.

Dyfyniad MLA

Ryder, Rodney D. Brands, Trademarks and Advertising. LexisNexis Butterworths, 2003.

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