APA Citation

Ponti, J., & Ruth Davina. (2009). Sound Off. Jakarta: Elex Media Komputindo.

Chicago Style Citation

Ponti, James, and Ruth Davina. Sound Off. Jakarta: Elex Media Komputindo, 2009.

MLA Citation

Ponti, James, and Ruth Davina. Sound Off. Jakarta: Elex Media Komputindo, 2009.

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