APA Style

Toon , Tan Yin. (2007). Discover Chemistry : G.C.E. 'O' Level Science . Singapore: Marshal Cavendish.

Chicago Style

Toon , Tan Yin. Discover Chemistry : G.C.E. 'O' Level Science. Singapore: Marshal Cavendish, 2007. Text.

MLA Style

Toon , Tan Yin. Discover Chemistry : G.C.E. 'O' Level Science. Singapore: Marshal Cavendish, 2007. Text.

Turabian Style

Toon , Tan Yin. Discover Chemistry : G.C.E. 'O' Level Science. Singapore: Marshal Cavendish, 2007. Print.