Dyfyniad APA

Calcagni, G., Papantonopoulos, L., Siopsis, G., & Tsamis, N. (2012). Quantum gravity and quantum cosmology. Springer.

Dyfyniad Arddull Chicago

Calcagni, Gianluca., Lefteris Papantonopoulos, George Siopsis, and Nikos Tsamis. Quantum Gravity and Quantum Cosmology. New York: Springer, 2012.

Dyfyniad MLA

Calcagni, Gianluca., et al. Quantum Gravity and Quantum Cosmology. Springer, 2012.

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