Ratcliff, B., Eccles, H., Raffan, J., Nicholon, J., Johnson, D., Acaster, D., . . . Newman, J. (2004). AS level and A Level: Chemistry. Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Ratcliff, Brian, Helen Eccles, John Raffan, John Nicholon, David Johnson, David Acaster, Philip Matthews, i John Newman. AS Level and A Level: Chemistry. Cambridge: Cambridge University Press, 2004.
MLA način citiranja (8. izdanje)Ratcliff, Brian, et al. AS Level and A Level: Chemistry. Cambridge University Press, 2004.
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