Fischer, R. Geometrical Optics. SPIE Digital Library.
Chicago Style (17th ed.) ZitazioaFischer, Robert. Geometrical Optics. SPIE Digital Library.
MLA (9th ed.) ZitazioaFischer, Robert. Geometrical Optics. SPIE Digital Library.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.