Gray, P. (2006). The complete guide to drawing and illustration: A practical and inspirational course for artists of all abilities. Arcturus Publishing Limited.
Citace podle Chicago (17th ed.)Gray, Peter. The Complete Guide to Drawing and Illustration: A Practical and Inspirational Course for Artists of All Abilities. London: Arcturus Publishing Limited, 2006.
Citace podle MLA (9th ed.)Gray, Peter. The Complete Guide to Drawing and Illustration: A Practical and Inspirational Course for Artists of All Abilities. Arcturus Publishing Limited, 2006.
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