APA aipamena

Eric Watkins & Immanuel Kant. (2013). Natural science. Cambridge University Press.

Chicago Style aipamena

Eric Watkins and Immanuel Kant. Natural Science. Cambridge: Cambridge University Press, 2013.

MLA aipamena

Eric Watkins and Immanuel Kant. Natural Science. Cambridge University Press, 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.