APA (7th ed.) Citation

Khor Su Hak & Yeap Tok Kheng. (2002). Praktis kendiri topikal PMR Sains: Tingkatan 1. Pearson Education Malaysia Sdn Bhd.

Chicago Style (17th ed.) Citation

Khor Su Hak and Yeap Tok Kheng. Praktis Kendiri Topikal PMR Sains: Tingkatan 1. Petaling Jaya: Pearson Education Malaysia Sdn Bhd, 2002.

MLA (9th ed.) Citation

Khor Su Hak and Yeap Tok Kheng. Praktis Kendiri Topikal PMR Sains: Tingkatan 1. Pearson Education Malaysia Sdn Bhd, 2002.