Ryder, R. D. (2003). Brands, trademarks and advertising. LexisNexis Butterworths.
Chicago Style aipamenaRyder, Rodney D. Brands, Trademarks and Advertising. N.Delhi: LexisNexis Butterworths, 2003.
MLA aipamenaRyder, Rodney D. Brands, Trademarks and Advertising. LexisNexis Butterworths, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.