Sharma, K. (2000). Tourism and hospitality. Sarup.
Lua i Stíl Chicago (17ú heag.)Sharma, K. Tourism and Hospitality. New Delhi: Sarup, 2000.
Lua MLA (9ú heag.)Sharma, K. Tourism and Hospitality. Sarup, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.