Robert, G. (1969). HUGO, Victor Maris, Conte, 1802 – 1885. Flammarion.
Lua i Stíl Chicago (17ú heag.)Robert, Guy. HUGO, Victor Maris, Conte, 1802 – 1885. Flammarion, 1969.
Lua MLA (9ú heag.)Robert, Guy. HUGO, Victor Maris, Conte, 1802 – 1885. Flammarion, 1969.
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