एपीए उद्धरण

Rovelli, C. (2005). Quantum gravity. Cambridge University Press.

शिकागो स्टाइल उद्धरण

Rovelli, Carlo. Quantum Gravity. Cambridge: Cambridge University Press, 2005.

एमएलए उद्धरण

Rovelli, Carlo. Quantum Gravity. Cambridge University Press, 2005.