Grudin, A. E. (2012). "Except Like a Tracing": Defectiveness, Accuracy, and Class in Early Warhol. October.
Lua i Stíl Chicago (17ú heag.)Grudin, Anthony E. ""Except Like a Tracing": Defectiveness, Accuracy, and Class in Early Warhol." October 2012.
Lua MLA (8ú heag.)Grudin, Anthony E. ""Except Like a Tracing": Defectiveness, Accuracy, and Class in Early Warhol." October, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.