HARWOOD, R. (2014). Cambridge IGCSE: Chemistry coursebook. Cambridge University Press.
Cita Chicago (17th ed.)HARWOOD, Richard. Cambridge IGCSE: Chemistry Coursebook. Cambridge University Press, 2014.
Cita MLA (9th ed.)HARWOOD, Richard. Cambridge IGCSE: Chemistry Coursebook. Cambridge University Press, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.