Ors Fuhrer, E. d. (1979). Juan Gris. Sarpe.
Tohutoru Kātū Chicago (17th ed.)Ors Fuhrer, Esperanza d'. Juan Gris. Madrid: Sarpe, 1979.
Tohutoro MLA (9th ed.)Ors Fuhrer, Esperanza d'. Juan Gris. Sarpe, 1979.
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