APA (7th ed.) Zitazioa
(1978). NASA. Special publications. 423. NASA Scientific and Technical Information Office.
Chicago Style (17th ed.) Zitazioa
NASA. Special Publications. 423. Washington: NASA Scientific and Technical Information Office, 1978.
MLA (9th ed.) Zitazioa
NASA. Special Publications. 423. NASA Scientific and Technical Information Office, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.