↑Karl Baedeker, Italy: Southern Italy and Sicily, with excursions to the Lipari islands, Malta, Sardinia, Tunis and Corfu. 13th rev. ed. 1900, K. Baedeker, , 157– (lire en ligne)
↑Tim Jepson et Tino Soriano, National Geographic Traveler: Naples and Southern Italy, 2nd Edition, National Geographic Books, , 116– (ISBN978-1-4262-0710-5, lire en ligne)