Harrison, H. (2002). Art workshop watercolour: Step-by-step teaching through inspirational projects. Southwater.
Lua i Stíl Chicago (17ú heag.)Harrison, Hazel. Art Workshop Watercolour: Step-by-step Teaching Through Inspirational Projects. London: Southwater, 2002.
Lua MLA (9ú heag.)Harrison, Hazel. Art Workshop Watercolour: Step-by-step Teaching Through Inspirational Projects. Southwater, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.