APA (7th ed.) Citation

Purwanto, S., & Gregory, A. (2005). Public relations dalam praktik. Erlangga.

Chicago Style (17th ed.) Citation

Purwanto, Sigit, and Anne Gregory. Public Relations Dalam Praktik. Erlangga, 2005.

MLA (8th ed.) Citation

Purwanto, Sigit, and Anne Gregory. Public Relations Dalam Praktik. Erlangga, 2005.

Warning: These citations may not always be 100% accurate.