Erdmann, A. Optical Microlithography XXX. SPIE Digital Library.
Chicago Style (17th ed.) ZitazioaErdmann, Andreas. Optical Microlithography XXX. SPIE Digital Library.
MLA (9th ed.) ZitazioaErdmann, Andreas. Optical Microlithography XXX. SPIE Digital Library.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.