Andersen, T. Extremely Large Telescopes: Which Wavelengths? Retirement Symposium for Arne Ardeberg. SPIE Digital Library.
Chicago Style (17th ed.) ZitazioaAndersen, Torben. Extremely Large Telescopes: Which Wavelengths? Retirement Symposium for Arne Ardeberg. SPIE Digital Library.
MLA (9th ed.) ZitazioaAndersen, Torben. Extremely Large Telescopes: Which Wavelengths? Retirement Symposium for Arne Ardeberg. SPIE Digital Library.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.