Cita APA

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

Chicago Style (17th ed.) Citation

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

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.