By Rough Guides
By Gobetti, Daniela
By McIntosh, Colin
By Ignazio Silone, Judy Rawson
By Macchi, Vladimiro
By Peressini, Rossella, Andrews, Robert
By Unknown
By Berlitz Guides
By McFie, Helen, Menocal, Maria Rosa
By Soc Ed Int
By Italiano, Francesca
By Vellaccio, Lydia, Elston, Maurice
By Marino, Isabella, Valgimigli, Maria, Langran, John
By Smith, Elisabeth
By Marling, William E., Clare F.
By Colombo, Federica
By Lonely Planet, Iagnocco, Pietro, Beltrami, Anna, Coates, Karina, Walker, Susie, Cicioni, Mirna
By Lymbery, Sylvia
By DK
By Lonely Planet
By Jackson, L. Panizza, Minghetti, A. M. Saporito
By Oxford University Press
By Ferra, Donatella De, Mozzon-McPherson, Marina, De Ferra, Donatella
By Fugard, Athol