Lang, K. R. Essential astrophysics (1st ed. 2013.). Springer Berlin Heidelberg.
Style de citation Chicago (17e éd.)Lang, Kenneth R. Essential Astrophysics. 1st ed. 2013. Berlin, Heidelberg: Springer Berlin Heidelberg.
Style de citation MLA (8e éd.)Lang, Kenneth R. Essential Astrophysics. 1st ed. 2013. Springer Berlin Heidelberg.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.