APA Style

Bong, Ryan. (2010). O level science: Physics . Singapore: Marshall Cavendish Education.

Chicago Style

Bong, Ryan. O level science: Physics. Singapore: Marshall Cavendish Education, 2010. Text.

MLA Style

Bong, Ryan. O level science: Physics. Singapore: Marshall Cavendish Education, 2010. Text.

Turabian Style

Bong, Ryan. O level science: Physics. Singapore: Marshall Cavendish Education, 2010. Print.