Cita APA
Varis, L. (2011). Mastering exposure and the zone system for digital photographers. Course Technology PTR.
Citación estilo Chicago
Varis, Lee. Mastering Exposure and the Zone System for Digital Photographers. Boston, Mass., U.S.A.: Course Technology PTR, 2011.
Cita MLA
Varis, Lee. Mastering Exposure and the Zone System for Digital Photographers. Course Technology PTR, 2011.
Warning: These citations may not always be 100% accurate.