APA aipamena

Keifer, C. (2012). Quantum Gravity (Third Edition.). Oxford University Press.

Chicago Style aipamena

Keifer, Claus. Quantum Gravity. Third Edition. Oxford University Press, 2012.

MLA aipamena

Keifer, Claus. Quantum Gravity. Third Edition. Oxford University Press, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.