Harrison, H. (2002). Art workshop watercolour: Step-by-step teaching through inspirational projects. Southwater.
Chicago-referens (17:e uppl.)Harrison, Hazel. Art Workshop Watercolour: Step-by-step Teaching Through Inspirational Projects. London: Southwater, 2002.
MLA-referens (9:e uppl.)Harrison, Hazel. Art Workshop Watercolour: Step-by-step Teaching Through Inspirational Projects. Southwater, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.