Punia, B. (1994). Tourism management. Ashish.
Lua i Stíl Chicago (17ú heag.)Punia, Bijendra. Tourism Management. New Delhi: Ashish, 1994.
Lua MLA (9ú heag.)Punia, Bijendra. Tourism Management. Ashish, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.