Abraham, P., Desne, R., & Duchet, C. (1977). 1848 - 1917. Editions Sociales.
Lua i Stíl Chicago (17ú heag.)Abraham, Pierre, Roland Desne, agus Claude Duchet. 1848 - 1917. Paris: Editions Sociales, 1977.
Lua MLA (8ú heag.)Abraham, Pierre, et al. 1848 - 1917. Editions Sociales, 1977.
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