Gupta, S. (2008). Fundamentals of statistics. Himalaya Publishing House.
Lua i Stíl Chicago (17ú heag.)Gupta, S.C. Fundamentals of Statistics. Mumbai: Himalaya Publishing House, 2008.
Lua MLA (9ú heag.)Gupta, S.C. Fundamentals of Statistics. Himalaya Publishing House, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.