Citazione Stile APA (7a Edizione)

Harwood, R. (2003). Chemistry (First South Asian Edition.). Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Harwood, Richard. Chemistry. First South Asian Edition. Cambridge: Cambridge University Press, 2003.

Citatione MLA (8a ed.)

Harwood, Richard. Chemistry. First South Asian Edition. Cambridge University Press, 2003.