APA (7th ed.) Zitazioa
ebrary, Inc, McFadden, L. A., Weissman, P. R., & Johnson, T. V. (2007). Encyclopedia of the solar system (2nd ed.). Academic.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Lucy-Ann Adams McFadden, Paul Robert Weissman, eta T. V. Johnson. Encyclopedia of the Solar System. 2nd ed. Amsterdam ; Boston: Academic, 2007.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Encyclopedia of the Solar System. 2nd ed. Academic, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.