Edwards, B. (2013). Drawing on the right side of the brain (Definitive, fourth edition, expanded and updated.). Souvenir Press.
Chicago-referens (17:e uppl.)Edwards, Betty. Drawing on the Right Side of the Brain. Definitive, fourth edition, expanded and updated. London: Souvenir Press, 2013.
MLA-referens (9:e uppl.)Edwards, Betty. Drawing on the Right Side of the Brain. Definitive, fourth edition, expanded and updated. Souvenir Press, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.