APA (7th ed.) Zitazioa
Moore, P. (2006). The Amateur Astronomer (Twelfth Edition.). Springer London. https://doi.org/10.1007/1-84628-286-1
Chicago Style (17th ed.) Zitazioa
Moore, Patrick. The Amateur Astronomer. Twelfth Edition. London: Springer London, 2006. https://doi.org/10.1007/1-84628-286-1.
MLA (9th ed.) Zitazioa
Moore, Patrick. The Amateur Astronomer. Twelfth Edition. Springer London, 2006. https://doi.org/10.1007/1-84628-286-1.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.