APA (7th ed.) Citation

Khoo & Loh. (1999). Sains tingkatan 4 & 5. Sasbadi Sdn.Bhd.

Chicago Style (17th ed.) Citation

Khoo and Loh. Sains Tingkatan 4 & 5. Petaling Jaya: Sasbadi Sdn.Bhd, 1999.

MLA (8th ed.) Citation

Khoo and Loh. Sains Tingkatan 4 & 5. Sasbadi Sdn.Bhd, 1999.

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