Sherman, W. (2014). Playing with sketches: 50 creative exercises for designers and artists. Rockport Publishers.
Chicago-Zitierstil (17. Ausg.)Sherman, Whitney. Playing with Sketches: 50 Creative Exercises for Designers and Artists. Beverly, MA: Rockport Publishers, 2014.
MLA-Zitierstil (9. Ausg.)Sherman, Whitney. Playing with Sketches: 50 Creative Exercises for Designers and Artists. Rockport Publishers, 2014.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.