Levi, P. (1971). Guide to Greece: Central Greece. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Levi, Peter. Guide to Greece: Central Greece. Middlesex: Penguin Books, 1971.
Lua MLA (9ú heag.)Levi, Peter. Guide to Greece: Central Greece. Penguin Books, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.