Rubinstein, R. (1995). Ars Poetica: Philip Guston's "poem-pictures". Art in America.
Chicago-viite (17. p.)Rubinstein, Raphael. "Ars Poetica: Philip Guston's "Poem-pictures"." Art in America 1995.
MLA-viite (8. p.)Rubinstein, Raphael. "Ars Poetica: Philip Guston's "Poem-pictures"." Art in America, 1995.
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