Zulfikar , M. (1998). Introduction to tourism and hotel industry --- officen Mgt. Vikas.
Lua i Stíl Chicago (17ú heag.)Zulfikar , Mohammed. Introduction to Tourism and Hotel Industry --- Officen Mgt. New Delhi: Vikas, 1998.
Lua MLA (9ú heag.)Zulfikar , Mohammed. Introduction to Tourism and Hotel Industry --- Officen Mgt. Vikas, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.