Gaya APA

Simandjuntak, J, P. et al (2003). Public relations (Ed.1, Cet.1). Yogyakarta: Graha Ilmu.

Gaya MLA

Simandjuntak, John, P.. et al. "Public relations". Ed.1, Cet.1 Yogyakarta: Graha Ilmu, 2003. Textbook.