Spencer, D. (1973). The focal dictionary of photography technologie. Focal Press.
Čikaški stil citiranja (17. izdanje)Spencer, D.A. The Focal Dictionary of Photography Technologie. Focal Press, 1973.
MLA način citiranja (8. izdanje)Spencer, D.A. The Focal Dictionary of Photography Technologie. Focal Press, 1973.
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