Metzger, P. W. (2001). The Artist's illustrated encyclopedia: Techniques, materials, and terms. North Light Books.
Lua i Stíl Chicago (17ú heag.)Metzger, Philip W. The Artist's Illustrated Encyclopedia: Techniques, Materials, and Terms. Cincinnati: North Light Books, 2001.
Lua MLA (9ú heag.)Metzger, Philip W. The Artist's Illustrated Encyclopedia: Techniques, Materials, and Terms. North Light Books, 2001.
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