RIES AL; TROUT JACK. (1993). 22 IMMUTABLE LAWS OF MARKETING: VIOLATE THEM AT YOUR OWN RISK. INDU PUBLICATIONS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRIES AL; TROUT JACK. 22 IMMUTABLE LAWS OF MARKETING: VIOLATE THEM AT YOUR OWN RISK. NEW DELHI: INDU PUBLICATIONS, 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRIES AL; TROUT JACK. 22 IMMUTABLE LAWS OF MARKETING: VIOLATE THEM AT YOUR OWN RISK. INDU PUBLICATIONS, 1993.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.