(1999). Color harmony workbook: A workbook and guide to creative color combinations ; [with large, tear-out swatches of each color combination]. Rockport Publ.
Chicago-Zitierstil (17. Ausg.)Color Harmony Workbook: A Workbook and Guide to Creative Color Combinations ; [with Large, Tear-out Swatches of Each Color Combination]. Gloucester, Mass: Rockport Publ, 1999.
MLA-Zitierstil (9. Ausg.)Color Harmony Workbook: A Workbook and Guide to Creative Color Combinations ; [with Large, Tear-out Swatches of Each Color Combination]. Rockport Publ, 1999.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.