APA (7th ed.) Citation

Lau, S. D., & Roswadi Ali. (2017). SAINS. Sasbadi Sdn. Bhd.

Chicago Style (17th ed.) Citation

Lau, Siong Du, and Roswadi Ali. SAINS. PETALING JAYA, Selangor: Sasbadi Sdn. Bhd, 2017.

MLA (9th ed.) Citation

Lau, Siong Du, and Roswadi Ali. SAINS. Sasbadi Sdn. Bhd, 2017.