Gaya APA

MM, S, H, S. (2010). PUBLIC RELATIONS AND CUSTOMER SERVICE (Ed. 1. - Cet. 1). Yogyakarta: Gosyen Publishing.

Gaya MLA

MM, Susatyo, Herlambang,, S.E.,. "PUBLIC RELATIONS AND CUSTOMER SERVICE". Ed. 1. - Cet. 1 Yogyakarta: Gosyen Publishing, 2010. Text.