RIES AL. (1993). 22 IMMUTABLE LAWS OF MARKETING VIOLATE THEM AT YOUR OWN RISK. INDUS PUBLISHING COMPANY.
Chicago-referens (17:e uppl.)RIES AL. 22 IMMUTABLE LAWS OF MARKETING VIOLATE THEM AT YOUR OWN RISK. NEW DELHI: INDUS PUBLISHING COMPANY, 1993.
MLA-referens (9:e uppl.)RIES AL. 22 IMMUTABLE LAWS OF MARKETING VIOLATE THEM AT YOUR OWN RISK. INDUS PUBLISHING COMPANY, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.