Levitt, M. The Marketplace for Medical Lasers. SPIE Digital Library.
Chicago Style (17th ed.) ZitazioaLevitt, Morris. The Marketplace for Medical Lasers. SPIE Digital Library.
MLA (9th ed.) ZitazioaLevitt, Morris. The Marketplace for Medical Lasers. SPIE Digital Library.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.