APA (7th ed.) Zitazioa
Brian Harvey, O. Z. Russian Space Probes: Scientific Discoveries and Future Missions. Praxis Publishing.
Chicago Style (17th ed.) Zitazioa
Brian Harvey, Olga Zakutnyaya. Russian Space Probes: Scientific Discoveries and Future Missions. Nueva York, EUA: Praxis Publishing.
MLA (9th ed.) Zitazioa
Brian Harvey, Olga Zakutnyaya. Russian Space Probes: Scientific Discoveries and Future Missions. Praxis Publishing.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.