Weaver, U. E. W. The Island of the Day Before. G.Britain.
Cita Chicago (17th ed.)Weaver, Umberto Eco William. The Island of the Day Before. G.Britain.
Cita MLA (9th ed.)Weaver, Umberto Eco William. The Island of the Day Before. G.Britain.
Atenció: Aquestes cites poden no estar 100% correctes.