Duret, T. (1918). Courbet. Ed. Bernheim-Jeune.
Lua i Stíl Chicago (17ú heag.)Duret, Théodore. Courbet. París: Ed. Bernheim-Jeune, 1918.
Lua MLA (9ú heag.)Duret, Théodore. Courbet. Ed. Bernheim-Jeune, 1918.
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