Gaya APA

Bivins, T. (2014). Public relation writing : the essentials of style and format, 8th-ed (ED-8). Singapore: Mc Graw Hill Education.

Gaya MLA

Bivins, Thomas. "Public relation writing : the essentials of style and format, 8th-ed". ED-8 Singapore: Mc Graw Hill Education, 2014. Text.