Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.