Gill, P. (1996). Dynamics of tourism: Tourism and hotel management Vol 4. Anmol.
Lua i Stíl Chicago (17ú heag.)Gill, Pushpinder. Dynamics of Tourism: Tourism and Hotel Management Vol 4. New delhi: Anmol, 1996.
Lua MLA (9ú heag.)Gill, Pushpinder. Dynamics of Tourism: Tourism and Hotel Management Vol 4. Anmol, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.