APA (7th ed.) Zitazioa
Buchheim, R. K. (2007). The Sky is Your Laboratory: Advanced Astronomy Projects for Amateurs. Praxis. https://doi.org/10.1007/978-0-387-73995-3
Chicago Style (17th ed.) Zitazioa
Buchheim, Robert K. The Sky Is Your Laboratory: Advanced Astronomy Projects for Amateurs. New York, NY: Praxis, 2007. https://doi.org/10.1007/978-0-387-73995-3.
MLA (9th ed.) Zitazioa
Buchheim, Robert K. The Sky Is Your Laboratory: Advanced Astronomy Projects for Amateurs. Praxis, 2007. https://doi.org/10.1007/978-0-387-73995-3.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.