Heller, S. (2019). Teaching graphic design history. Allworth Press, an imprint of Skyhorse Publishing.
Lua i Stíl Chicago (17ú heag.)Heller, Steven. Teaching Graphic Design History. New York: Allworth Press, an imprint of Skyhorse Publishing, 2019.
Lua MLA (9ú heag.)Heller, Steven. Teaching Graphic Design History. Allworth Press, an imprint of Skyhorse Publishing, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.