Παραπομπή APA

Redfern, M. (2006). The Earth: A very short introduction. Oxford University Press.

Παραπομπή Chicago Style

Redfern, Martin. The Earth: A Very Short Introduction. New Delhi: Oxford University Press, 2006.

Παραπομπή MLA

Redfern, Martin. The Earth: A Very Short Introduction. Oxford University Press, 2006.