Saramago, J. (1999). Blindness (First Harvest edition.). Harvest Book.
Lua i Stíl Chicago (17ú heag.)Saramago, José. Blindness. First Harvest edition. Orlando, Florida: Harvest Book, 1999.
Lua MLA (9ú heag.)Saramago, José. Blindness. First Harvest edition. Harvest Book, 1999.
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