Edwards, B. (2013). Drawing on the right side of the brain (Definitive, fourth edition, expanded and updated.). Souvenir Press.
Lua i Stíl Chicago (17ú heag.)Edwards, Betty. Drawing on the Right Side of the Brain. Definitive, fourth edition, expanded and updated. London: Souvenir Press, 2013.
Lua MLA (9ú heag.)Edwards, Betty. Drawing on the Right Side of the Brain. Definitive, fourth edition, expanded and updated. Souvenir Press, 2013.
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