APA (7th ed.) Zitazioa
ebrary, Inc, & Ball, A. (2007). Planetary landers and entry probes. Cambridge University Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Andrew Ball. Planetary Landers and Entry Probes. Cambridge: Cambridge University Press, 2007.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Andrew Ball. Planetary Landers and Entry Probes. Cambridge University Press, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.