APA (7e ed.) Bronvermelding

Fagan, W. Optical Security and Anticounterfeiting Systems. SPIE Digital Library.

Chicago (17e ed.) Bronvermelding

Fagan, William. Optical Security and Anticounterfeiting Systems. SPIE Digital Library.

MLA (9e ed.) Bronvermelding

Fagan, William. Optical Security and Anticounterfeiting Systems. SPIE Digital Library.

Let op: Deze citaties zijn niet altijd 100% accuraat.