Gaya APA

Dasar-dasar public relations. (2012). : .

Gaya Chicago

Dasar-dasar public relations. . : , 2012. Textbook.

Gaya MLA

Dasar-dasar public relations. . : , 2012. Textbook.

Gaya Turabian

Dasar-dasar public relations. : , 2012. Textbook.