APA (7th ed.) Citation

Tan Yin Ton. (2013). Perfect guide 'O' Level chemistry 2nd edition. Marshall Cavendish Edu..

Chicago Style (17th ed.) Citation

Tan Yin Ton. Perfect Guide 'O' Level Chemistry 2nd Edition. Sg: Marshall Cavendish Edu., 2013.

MLA (9th ed.) Citation

Tan Yin Ton. Perfect Guide 'O' Level Chemistry 2nd Edition. Marshall Cavendish Edu., 2013.

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