RIES AL. (1993). 22 IMMUTABLE LAWS OF MARKETING VIOLATE THEM AT YOUR OWN RISK. INDUS PUBLISHING COMPANY.
Čikaški stil citiranja (17. izdanje)RIES AL. 22 IMMUTABLE LAWS OF MARKETING VIOLATE THEM AT YOUR OWN RISK. NEW DELHI: INDUS PUBLISHING COMPANY, 1993.
MLA način citiranja (9. izdanje)RIES AL. 22 IMMUTABLE LAWS OF MARKETING VIOLATE THEM AT YOUR OWN RISK. INDUS PUBLISHING COMPANY, 1993.
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