APA citiranje
Varis, L. (2011). Mastering exposure and the zone system for digital photographers. Course Technology PTR.
Chicago Style (17th ed.) Citation
Varis, Lee. Mastering Exposure and the Zone System for Digital Photographers. Boston, Mass., U.S.A.: Course Technology PTR, 2011.
MLA citiranje
Varis, Lee. Mastering Exposure and the Zone System for Digital Photographers. Course Technology PTR, 2011.
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