Doherty, M. S. (1998). Easy solutions: Color mixing : watercolor : how to mix the right colors for the subject every time. Quarry Books.
Cita Chicago (17th ed.)Doherty, M. Stephen. Easy Solutions: Color Mixing : Watercolor : How to Mix the Right Colors for the Subject Every Time. Gloucester, Mass: Quarry Books, 1998.
Cita MLA (9th ed.)Doherty, M. Stephen. Easy Solutions: Color Mixing : Watercolor : How to Mix the Right Colors for the Subject Every Time. Quarry Books, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.