Gaya APA

J G R Briggs, Rex M Heyworth. (2007). Chemistry . Singapore: Pearson Longman.

Gaya Chicago

J G R Briggs, Rex M Heyworth. Chemistry. Singapore: Pearson Longman, 2007. Text.

Gaya MLA

J G R Briggs, Rex M Heyworth. Chemistry. Singapore: Pearson Longman, 2007. Text.

Gaya Turabian

J G R Briggs, Rex M Heyworth. Chemistry. Singapore: Pearson Longman, 2007. Print.