Ries, A. (1999). The 22 immutable laws of branding. Harper Collins.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRies, Al. The 22 Immutable Laws of Branding. London: Harper Collins, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRies, Al. The 22 Immutable Laws of Branding. Harper Collins, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.