APA (7th ed.) Citation

Yeap, T. K. (2012). Longman Essential Chemistry SPM. Pearson Malaysia Sdn. Bhd..

Chicago Style (17th ed.) Citation

Yeap, Tok Kheng. Longman Essential Chemistry SPM. Selangor: Pearson Malaysia Sdn. Bhd., 2012.

MLA (9th ed.) Citation

Yeap, Tok Kheng. Longman Essential Chemistry SPM. Pearson Malaysia Sdn. Bhd., 2012.

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