Andrews, S. (1972). Hotel front office training manual. Tata McGraw Hill Pub.co.ltd.
Lua i Stíl Chicago (17ú heag.)Andrews, Sudhir. Hotel Front Office Training Manual. New delhi: Tata McGraw Hill Pub.co.ltd, 1972.
Lua MLA (9ú heag.)Andrews, Sudhir. Hotel Front Office Training Manual. Tata McGraw Hill Pub.co.ltd, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.