Sinha, R. (1999). Leisure tourism. Dominant Publ.
Lua i Stíl Chicago (17ú heag.)Sinha, R. Leisure Tourism. New Delhi: Dominant Publ, 1999.
Lua MLA (9ú heag.)Sinha, R. Leisure Tourism. Dominant Publ, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.