Yakush, M. (1997). Proof positive: Forty years of contemporary American printmaking at ULAE 1957 - 1997 ; [special exhibition the Corcoran Gallery of Art, Washington, District of Columbia, 15 February - 30 June 1997 ] / Corcoran Gallery of Art, Washington, DC. [Ed.: Mary Yakush] (2. ed.). Abrams.
Cita Chicago (17th ed.)Yakush, Mary. Proof Positive: Forty Years of Contemporary American Printmaking at ULAE 1957 - 1997 ; [special Exhibition the Corcoran Gallery of Art, Washington, District of Columbia, 15 February - 30 June 1997 ] / Corcoran Gallery of Art, Washington, DC. [Ed.: Mary Yakush]. 2. ed. [New York u.a.]: Abrams, 1997.
Cita MLA (8th ed.)Yakush, Mary. Proof Positive: Forty Years of Contemporary American Printmaking at ULAE 1957 - 1997 ; [special Exhibition the Corcoran Gallery of Art, Washington, District of Columbia, 15 February - 30 June 1997 ] / Corcoran Gallery of Art, Washington, DC. [Ed.: Mary Yakush]. 2. ed. Abrams, 1997.