(1999). Color Harmony Workbook: A Workbook and Guide to Creative Color Combinations. Rockport Publ..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रColor Harmony Workbook: A Workbook and Guide to Creative Color Combinations. Gloucester/Mass.: Rockport Publ., 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रColor Harmony Workbook: A Workbook and Guide to Creative Color Combinations. Rockport Publ., 1999.
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