Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service) & Papantonopoulos, E. (2015). Modifications of Einstein's Theory of Gravity at Large Distances. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service) και Eleftherios Papantonopoulos. Modifications of Einstein's Theory of Gravity at Large Distances. Cham: Springer International Publishing : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service) και Eleftherios Papantonopoulos. Modifications of Einstein's Theory of Gravity at Large Distances. Springer International Publishing : Imprint: Springer, 2015.