APA (7th ed.) Zitazioa
Diccovery channel science collections. (2006). Earth: Oceans, earthquakes, volcanoes, weather & climate. Ramdas bhatkal for popular prakashan.
Chicago Style (17th ed.) Zitazioa
Diccovery channel science collections. Earth: Oceans, Earthquakes, Volcanoes, Weather & Climate. Mumbai: Ramdas bhatkal for popular prakashan, 2006.
MLA (9th ed.) Zitazioa
Diccovery channel science collections. Earth: Oceans, Earthquakes, Volcanoes, Weather & Climate. Ramdas bhatkal for popular prakashan, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.