Reff, T. (1987). Degas: The artist's mind. Bellknap Press.
Lua i Stíl Chicago (17ú heag.)Reff, Theodore. Degas: The Artist's Mind. Cambridge, Mass: Bellknap Press, 1987.
Lua MLA (9ú heag.)Reff, Theodore. Degas: The Artist's Mind. Bellknap Press, 1987.
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