Παραπομπή APA

Gasperini, M. (2007). Elements of string cosmology. Cambridge University Press.

Παραπομπή Chicago Style

Gasperini, Maurizio. Elements of String Cosmology. Cambridge: Cambridge University Press, 2007.

Παραπομπή MLA

Gasperini, Maurizio. Elements of String Cosmology. Cambridge University Press, 2007.