Coplans, J. (1993). Artforum '62-'79: He Was Extremely Terse. Artforum.
Lua i Stíl Chicago (17ú heag.)Coplans, John. "Artforum '62-'79: He Was Extremely Terse." Artforum 1993.
Lua MLA (8ú heag.)Coplans, John. "Artforum '62-'79: He Was Extremely Terse." Artforum, 1993.
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