APA

Norris R., Ryan L. & Acaster D. (2011). Cambridge international AS and A level chemistry coursebook. Cambridge: Cambridge University Press.

Chicago

Norris Roger, Ryan Lawrie and Acaster David. 2011. Cambridge international AS and A level chemistry coursebook. Cambridge: Cambridge University Press.

Harvard

Norris R., Ryan L. and Acaster D. (2011). Cambridge international AS and A level chemistry coursebook. Cambridge: Cambridge University Press.

MLA

Norris Roger, Ryan Lawrie and Acaster David. Cambridge international AS and A level chemistry coursebook. Cambridge: Cambridge University Press. 2011.