Holtzschue, L. (2006). Understanding color: An introduction for designers (Third edition.). John Wiley and Sons.
Chicago-viite (17. p.)Holtzschue, Linda. Understanding Color: An Introduction for Designers. Third edition. Hoboken: John Wiley and Sons, 2006.
MLA-viite (9. p.)Holtzschue, Linda. Understanding Color: An Introduction for Designers. Third edition. John Wiley and Sons, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.