Martín i Roig, G. (2005). Line and shading in drawing (1st U.S. ed.). Barron's Educational Series.
Chicago Style (17th ed.) CitationMartín i Roig, Gabriel. Line and Shading in Drawing. 1st U.S. ed. Hauppauge, NY: Barron's Educational Series, 2005.
MLA引文Martín i Roig, Gabriel. Line and Shading in Drawing. 1st U.S. ed. Barron's Educational Series, 2005.
警告:這些引文格式不一定是100%准確.