Gaya APA

Ishaq, R, E. (2017). Public Relations : Teori dan Praktik (Edisi Revisi). Jawa Timur: Intrans Publishing.

Gaya MLA

Ishaq, Ropingi, El. "Public Relations : Teori dan Praktik". Edisi Revisi Jawa Timur: Intrans Publishing, 2017. TEXT.