Wotzkow, H. (1967). The art of hand-lettering: Its mastery and practice. Dover.
Chicagoスタイル(17版)引用形式Wotzkow, Helm. The Art of Hand-lettering: Its Mastery and Practice. Nueva York: Dover, 1967.
MLA(9版)引用形式Wotzkow, Helm. The Art of Hand-lettering: Its Mastery and Practice. Dover, 1967.
警告: この引用は必ずしも正確ではありません.