APA (7th ed.) Citation

Chetley, A., Gillbert, D., & Nurhasan. (1997). Obat bermasalah. YLKI.

Chicago Style (17th ed.) Citation

Chetley, Andrew, David Gillbert, and Nurhasan. Obat Bermasalah. YLKI, 1997.

MLA (8th ed.) Citation

Chetley, Andrew, et al. Obat Bermasalah. YLKI, 1997.

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