APA (7th ed.) Zitazioa

Oschmann, J. Ground-based Telescopes. SPIE Digital Library.

Chicago Style (17th ed.) Zitazioa

Oschmann, Jim. Ground-based Telescopes. SPIE Digital Library.

MLA (9th ed.) Zitazioa

Oschmann, Jim. Ground-based Telescopes. SPIE Digital Library.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.