Gaya APA

Ihlen, O., Fredriksson, M. (2018). Public Relations and Social Theory : Key Figures, Concepts and Developments (2). New York: Routledge.

Gaya MLA

Ihlen, Oyvind., Fredriksson, Magnus. "Public Relations and Social Theory : Key Figures, Concepts and Developments". 2 New York: Routledge, 2018. Elektronik/Digital.