Klüver, B. (1991). Four Difficult Pieces: Robert Rauschenberg's collaborator at EAT documents the making of four important works from the '60s and '70s. Art in America.
Citace podle Chicago (17th ed.)Klüver, Billy. "Four Difficult Pieces: Robert Rauschenberg's Collaborator at EAT Documents the Making of Four Important Works from the '60s and '70s." Art in America 1991.
Citace podle MLA (8th ed.)Klüver, Billy. "Four Difficult Pieces: Robert Rauschenberg's Collaborator at EAT Documents the Making of Four Important Works from the '60s and '70s." Art in America, 1991.
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