Doherty, M. S. (1998). Easy solutions: Color mixing : watercolor : how to mix the right colors for the subject every time. Quarry Books.
Citazione stile Chigago Style (17a edizione)Doherty, M. Stephen. Easy Solutions: Color Mixing : Watercolor : How to Mix the Right Colors for the Subject Every Time. Gloucester, Mass: Quarry Books, 1998.
Citatione MLA (9a ed.)Doherty, M. Stephen. Easy Solutions: Color Mixing : Watercolor : How to Mix the Right Colors for the Subject Every Time. Quarry Books, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.