Wortz, M. (1981). Surrendering To Presence: Robert Irwin's Esthetic Integration. Artforum.
Cita Chicago (17th ed.)Wortz, Melinda. "Surrendering To Presence: Robert Irwin's Esthetic Integration." Artforum 1981.
Cita MLA (8th ed.)Wortz, Melinda. "Surrendering To Presence: Robert Irwin's Esthetic Integration." Artforum, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.