NILSON TORSTEN H. (1998). COMPETITIVE BRANDING. JOHN WILEY AND SONS.
Lua i Stíl Chicago (17ú heag.)NILSON TORSTEN H. COMPETITIVE BRANDING. NEW YORK: JOHN WILEY AND SONS, 1998.
Lua MLA (9ú heag.)NILSON TORSTEN H. COMPETITIVE BRANDING. JOHN WILEY AND SONS, 1998.
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