APA način citiranja (7. izdanje)

Ratcliff, B. (2008). AS Level and A Level: Chemistry. Cambridge University Press.

Čikaški stil citiranja (17. izdanje)

Ratcliff, Brian. AS Level and A Level: Chemistry. Cambridge University Press, 2008.

MLA način citiranja (8. izdanje)

Ratcliff, Brian. AS Level and A Level: Chemistry. Cambridge University Press, 2008.