Copeland, Roger. 1979/1999. ”Merce Cunningham and the Politics of Perception.” Teoksessa Germano Celant, toim. Merce Cunningham. Milano: Charta, 154–166.
Copeland, Roger. 1979/1999. ”Merce Cunningham and the Politics of Perception.” Teoksessa Germano Celant, toim. Merce Cunningham. Milano: Charta, 154–166.