SpringerLink (Online service), Cotsakis, S., & Papantonopoulos, E. (2002). Cosmological Crossroads: An Advanced Course in Mathematical, Physical and String Cosmology (1st ed. 2002.). Springer Berlin Heidelberg : Imprint: Springer. https://doi.org/10.1007/3-540-48025-0
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Spiros Cotsakis, και Eleftherios Papantonopoulos. Cosmological Crossroads: An Advanced Course in Mathematical, Physical and String Cosmology. 1st ed. 2002. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2002. https://doi.org/10.1007/3-540-48025-0.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Cosmological Crossroads: An Advanced Course in Mathematical, Physical and String Cosmology. 1st ed. 2002. Springer Berlin Heidelberg : Imprint: Springer, 2002. https://doi.org/10.1007/3-540-48025-0.
