Willcox, D. J. (1969). Modern leather design. Watson-Guptill Pub.
Chicagoスタイル(17版)引用形式Willcox, Donald J. Modern Leather Design. New York: Watson-Guptill Pub, 1969.
MLA(9版)引用形式Willcox, Donald J. Modern Leather Design. Watson-Guptill Pub, 1969.
警告: この引用は必ずしも正確ではありません.