World travel directory. Ziff-Davis Pub.
Lua i Stíl Chicago (17ú heag.)World Travel Directory. New York: Ziff-Davis Pub.
Lua MLA (9ú heag.)World Travel Directory. Ziff-Davis Pub.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.