Lewis, D. (1983). Watercolor painting techniques. Watson-Guptill Publications.
Chicagoスタイル(17版)引用形式Lewis, David. Watercolor Painting Techniques. New York: Watson-Guptill Publications, 1983.
MLA(9版)引用形式Lewis, David. Watercolor Painting Techniques. Watson-Guptill Publications, 1983.
警告: この引用は必ずしも正確ではありません.