Pincus-Witten, R. (1974). Three Swiss Painters: Von Robert Pincus-Witten. Artforum.
Lua i Stíl Chicago (17ú heag.)Pincus-Witten, Robert. "Three Swiss Painters: Von Robert Pincus-Witten." Artforum 1974.
Lua MLA (8ú heag.)Pincus-Witten, Robert. "Three Swiss Painters: Von Robert Pincus-Witten." Artforum, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.