Sparks, E. (1989). Universal Limited Art Editions: A history and catalogue, the first twenty-five years. Art Institute of Chicago.
Cita Chicago (17th ed.)Sparks, Esther. Universal Limited Art Editions: A History and Catalogue, the First Twenty-five Years. New York: Art Institute of Chicago, 1989.
Cita MLA (9th ed.)Sparks, Esther. Universal Limited Art Editions: A History and Catalogue, the First Twenty-five Years. Art Institute of Chicago, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.