APA (7 वां संस्करण) प्रशस्ति पत्र

Gay, R. C. (2012). Online Marketing (1st.). Oxford University Press.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Gay, Richard; Charlesworth. Online Marketing. 1st. New Delhi: Oxford University Press, 2012.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Gay, Richard; Charlesworth. Online Marketing. 1st. Oxford University Press, 2012.