APA (7th ed.) Citation

Yoong & Kho. (2011). Mathematics: SPM form 4 & 5. Sasbadi.

Chicago Style (17th ed.) Citation

Yoong and Kho. Mathematics: SPM Form 4 & 5. Petaling Jaya: Sasbadi, 2011.

MLA (8th ed.) Citation

Yoong and Kho. Mathematics: SPM Form 4 & 5. Sasbadi, 2011.

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