APA استشهاد

Lliffe, R. (2007). Newton ; a very short introduction. OUP.

استشهاد بنمط شيكاغو

Lliffe, Rob. Newton ; a Very Short Introduction. Oxford: OUP, 2007.

MLA استشهاد

Lliffe, Rob. Newton ; a Very Short Introduction. OUP, 2007.