Karmel, P. (1989). Robert Morris: The felt works ; Grey Art Gallery, New York, May 22, to July 14, 1989 / curated by Pepe Karmel.
Chicago-viite (17. p.)Karmel, Pepe. Robert Morris: The Felt Works ; Grey Art Gallery, New York, May 22, to July 14, 1989 / Curated by Pepe Karmel. New York, 1989.
MLA-viite (8. p.)Karmel, Pepe. Robert Morris: The Felt Works ; Grey Art Gallery, New York, May 22, to July 14, 1989 / Curated by Pepe Karmel. 1989.
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