Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.