Woods, J. C. (1993). The zone system craft book: A comprehensive guide to the zone system of exposure and development. Brown & Benchmark.
Cita Chicago (17th ed.)Woods, John Charles. The Zone System Craft Book: A Comprehensive Guide to the Zone System of Exposure and Development. [Dubuque, Iowa]: Brown & Benchmark, 1993.
Cita MLA (9th ed.)Woods, John Charles. The Zone System Craft Book: A Comprehensive Guide to the Zone System of Exposure and Development. Brown & Benchmark, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.