Preble, D. (1989). Artforms: An introduction to the visual arts (4th edition.). Harper & Row.
Lua i Stíl Chicago (17ú heag.)Preble, Duane. Artforms: An Introduction to the Visual Arts. 4th edition. New York: Harper & Row, 1989.
Lua MLA (9ú heag.)Preble, Duane. Artforms: An Introduction to the Visual Arts. 4th edition. Harper & Row, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.