APA (7th ed.) Citation

KERAF., A. S. (2002). Etika Lingkungan.

Chicago Style (17th ed.) Citation

KERAF., A. Sonny. Etika Lingkungan. 2002.

MLA (8th ed.) Citation

KERAF., A. Sonny. Etika Lingkungan. 2002.

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