Lehmann, P. Optical Measurement Systems for Industrial Inspection XI. SPIE Digital Library.
Čikaški stil citiranja (17. izdanje)Lehmann, Peter. Optical Measurement Systems for Industrial Inspection XI. SPIE Digital Library.
MLA način citiranja (9. izdanje)Lehmann, Peter. Optical Measurement Systems for Industrial Inspection XI. SPIE Digital Library.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.