APA (7th ed.) Zitazioa
McNamara, G. (2008). Clocks in the sky: The story of pulsars. Springer ; Published in association with Praxis.
Chicago Style (17th ed.) Zitazioa
McNamara, Geoff. Clocks in the Sky: The Story of Pulsars. Berlin ; New York : Chichester, UK: Springer ; Published in association with Praxis, 2008.
MLA (9th ed.) Zitazioa
McNamara, Geoff. Clocks in the Sky: The Story of Pulsars. Springer ; Published in association with Praxis, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.