APA (7th ed.) Zitazioa
(2015). Earth and Space Science. American Geophysical Union (AGU).
Chicago Style (17th ed.) Zitazioa
Earth and Space Science. American Geophysical Union (AGU), 2015.
MLA (9th ed.) Zitazioa
Earth and Space Science. American Geophysical Union (AGU), 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.