SpringerLink (Online service), Papantonopoulos, L., Siopsis, G., Tsamis, N., & Calcagni, G. (2013). Quantum Gravity and Quantum Cosmology. Springer Berlin Heidelberg Imprint Springer.
Lua i Stíl Chicago (17ú heag.)SpringerLink (Online service), Lefteris Papantonopoulos, George Siopsis, Nikos Tsamis, agus Gianluca Calcagni. Quantum Gravity and Quantum Cosmology. Berlin Heidelberg: Springer Berlin Heidelberg Imprint Springer, 2013.
Lua MLA (8ú heag.)SpringerLink (Online service), et al. Quantum Gravity and Quantum Cosmology. Springer Berlin Heidelberg Imprint Springer, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.