Forrest, G. The Laser Marketplace 1992. SPIE Digital Library.
Chicago Style (17th ed.) ZitazioaForrest, Gary. The Laser Marketplace 1992. SPIE Digital Library.
MLA (9th ed.) ZitazioaForrest, Gary. The Laser Marketplace 1992. SPIE Digital Library.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.