MEDLIK S. (1993). DICTIONARY OF TRAVEL,TOURISM & HOSPITALITY. BUTTERWORTH-HEINEMANN.
Lua i Stíl Chicago (17ú heag.)MEDLIK S. DICTIONARY OF TRAVEL,TOURISM & HOSPITALITY. OXFORD: BUTTERWORTH-HEINEMANN, 1993.
Lua MLA (9ú heag.)MEDLIK S. DICTIONARY OF TRAVEL,TOURISM & HOSPITALITY. BUTTERWORTH-HEINEMANN, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.