APA Style

Friedrich, G, W. (2012). Public Relation And Crisis Management : Pendekatan Critical Public Relations Etnografi Kritis Dan Kualitatif . Jakarta: Kencana.

MLA Style

Friedrich, Gustav, W.. "Public Relation And Crisis Management : Pendekatan Critical Public Relations Etnografi Kritis Dan Kualitatif". Jakarta: Kencana, 2012. Buku PGSD.