Gaya APA

Herlambang, S. (2010). Public Relation And Customer Service (ed.1 ; Cet .1). Yogyakarta: gosyen publishing.

Gaya MLA

Herlambang, Susatyo. "Public Relation And Customer Service". ed.1 ; Cet .1 Yogyakarta: gosyen publishing, 2010. Text.