Kuspit, D. B., & Golub, L. (1985). Leon Golub: Existential / activist painter / Donald Kuspit. Rutgers University.
Lua i Stíl Chicago (17ú heag.)Kuspit, Donald B., agus Leon Golub. Leon Golub: Existential / Activist Painter / Donald Kuspit. New Brunswick, NJ: Rutgers University, 1985.
Lua MLA (8ú heag.)Kuspit, Donald B., agus Leon Golub. Leon Golub: Existential / Activist Painter / Donald Kuspit. Rutgers University, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.