Saramago, J., & Pontiero, G. (1986). The stone raft (First edition.). Harcourt Brace.
Lua i Stíl Chicago (17ú heag.)Saramago, José, agus Giovanni Pontiero. The Stone Raft. First edition. New York: Harcourt Brace, 1986.
Lua MLA (9ú heag.)Saramago, José, agus Giovanni Pontiero. The Stone Raft. First edition. Harcourt Brace, 1986.
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