Pendle, G. (2004). George Pendle on Bruce Conner: The enigma machine. frieze.
Cita Chicago (17th ed.)Pendle, George. "George Pendle on Bruce Conner: The Enigma Machine." Frieze 2004.
Cita MLA (8th ed.)Pendle, George. "George Pendle on Bruce Conner: The Enigma Machine." Frieze, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.