Citazione Stile APA (7a Edizione)

Gupta, S., & Gupta, M. (2007). Business statistics (14th ed.). Sultan Chand & Sons.

Citazione stile Chigago Style (17a edizione)

Gupta, S.P, e M.P Gupta. Business Statistics. 14th ed. New Delhi: Sultan Chand & Sons, 2007.

Citatione MLA (8a ed.)

Gupta, S.P, e M.P Gupta. Business Statistics. 14th ed. Sultan Chand & Sons, 2007.