APA (7th ed.) Citation

Koay, M. (2004). Learn about sound. Pintar Firus.

Chicago Style (17th ed.) Citation

Koay, Mary. Learn About Sound. Selangor: Pintar Firus, 2004.

MLA (9th ed.) Citation

Koay, Mary. Learn About Sound. Pintar Firus, 2004.

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