Gaya APA

Gassing, S, S. et al (2016). Public Relations (ed.1 cet.1). Yogyakarta: Penerbit Andi.

Gaya MLA

Gassing, Syarifuddin, S. et al. "Public Relations". ed.1 cet.1 Yogyakarta: Penerbit Andi, 2016. .