Ryman, R. (1988). Robert Ryman: The charter series, 14 January 1988 through 13 March 1988, San Francisco Museum of Modern Art. San Francisco Museum of Modern Art.
Chicagoスタイル(17版)引用形式Ryman, Robert. Robert Ryman: The Charter Series, 14 January 1988 Through 13 March 1988, San Francisco Museum of Modern Art. [San Francisco]: San Francisco Museum of Modern Art, 1988.
MLA(8版)引用形式Ryman, Robert. Robert Ryman: The Charter Series, 14 January 1988 Through 13 March 1988, San Francisco Museum of Modern Art. San Francisco Museum of Modern Art, 1988.
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