Garrels, G., & Friedman, M. (2000). Sol LeWitt: A retrospective / Edited and with an introduction by Gary Garrels. With essays by Martin Friedman. San Francisco Museum of Modern Art.
Lua i Stíl Chicago (17ú heag.)Garrels, Gary, agus Martin Friedman. Sol LeWitt: A Retrospective / Edited and with an Introduction by Gary Garrels. With Essays by Martin Friedman. San Francisco: San Francisco Museum of Modern Art, 2000.
Lua MLA (8ú heag.)Garrels, Gary, agus Martin Friedman. Sol LeWitt: A Retrospective / Edited and with an Introduction by Gary Garrels. With Essays by Martin Friedman. San Francisco Museum of Modern Art, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.