Παραπομπή APA

Heacox, W. D. (2015). The expanding universe: A primer on relativistic cosmology. Cambridge University Press.

Παραπομπή Chicago Style

Heacox, William D. The Expanding Universe: A Primer on Relativistic Cosmology. Cambridge: Cambridge University Press, 2015.

Παραπομπή MLA

Heacox, William D. The Expanding Universe: A Primer on Relativistic Cosmology. Cambridge University Press, 2015.