Breakwell, J. Controls for Optical Systems. SPIE Digital Library.
Čikaški stil citiranja (17. izdanje)Breakwell, John. Controls for Optical Systems. SPIE Digital Library.
MLA način citiranja (9. izdanje)Breakwell, John. Controls for Optical Systems. SPIE Digital Library.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.