APA (7 वां संस्करण) प्रशस्ति पत्र

Hayes, D. C., Hendrix, J. A., & Kumar, P. D. (2013). Public relations cases (9th ed.). Wadsworth/Cengage Learning.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Hayes, Darrell C., Jerry A. Hendrix, और Pallavi D. Kumar. Public Relations Cases. 9th ed. Australia: Wadsworth/Cengage Learning, 2013.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Hayes, Darrell C., et al. Public Relations Cases. 9th ed. Wadsworth/Cengage Learning, 2013.