Thorspecken, T. (2014). Urban sketching: The complete guide to techniques. Barron's.
Chicagoスタイル(17版)引用形式Thorspecken, Thomas. Urban Sketching: The Complete Guide to Techniques. Hauppauge, NY: Barron's, 2014.
MLA(9版)引用形式Thorspecken, Thomas. Urban Sketching: The Complete Guide to Techniques. Barron's, 2014.
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