APA (7th ed.) Citation

Challoner & Koo. (1997). Bising dan senyap. Flo Enterprise.

Chicago Style (17th ed.) Citation

Challoner and Koo. Bising Dan Senyap. Petaling Jaya: Flo Enterprise, 1997.

MLA (8th ed.) Citation

Challoner and Koo. Bising Dan Senyap. Flo Enterprise, 1997.

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