APA (7th ed.) Zitazioa

Stepp, L. Ground-based and Airborne Telescopes IV. SPIE Digital Library.

Chicago Style (17th ed.) Zitazioa

Stepp, Larry. Ground-based and Airborne Telescopes IV. SPIE Digital Library.

MLA (9th ed.) Zitazioa

Stepp, Larry. Ground-based and Airborne Telescopes IV. SPIE Digital Library.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.