Cotter, H. (1993). Agnes Martin: All the Way to Heaven. Art in America.
Lua i Stíl Chicago (17ú heag.)Cotter, Holland. "Agnes Martin: All the Way to Heaven." Art in America 1993.
Lua MLA (8ú heag.)Cotter, Holland. "Agnes Martin: All the Way to Heaven." Art in America, 1993.
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