Blum, I. (1993). Artforum '62-'79: He was Extremely Talkative. Artforum.
Chicago-viite (17. p.)Blum, Irving. "Artforum '62-'79: He Was Extremely Talkative." Artforum 1993.
MLA-viite (8. p.)Blum, Irving. "Artforum '62-'79: He Was Extremely Talkative." Artforum, 1993.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.