APA (7th ed.) Zitazioa

(1990). Planetary astronomy of Mars ; Mars data reduction / principal investigator, Robert B. Singer.

Chicago Style (17th ed.) Zitazioa

Planetary Astronomy of Mars ; Mars Data Reduction / Principal Investigator, Robert B. Singer. 1990.

MLA (9th ed.) Zitazioa

Planetary Astronomy of Mars ; Mars Data Reduction / Principal Investigator, Robert B. Singer. 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.