Guptill, A. L., & Meyer, S. E. (1997). Rendering in pen and ink (Paperback edition.). Watson-Guptill Publications.
Cita Chicago Style (17a ed.)Guptill, Arthur L., y Susan E. Meyer. Rendering in Pen and Ink. Paperback edition. New York: Watson-Guptill Publications, 1997.
Cita MLA (8a ed.)Guptill, Arthur L., y Susan E. Meyer. Rendering in Pen and Ink. Paperback edition. Watson-Guptill Publications, 1997.
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