Cita APA (7a ed.)

Gupta, S. P., & Gupta, M. P. (2005). Business statistics (14th ed.). Sultan Chand & Sons.

Cita Chicago Style (17a ed.)

Gupta, S. P., y M. P. Gupta. Business Statistics. 14th ed. New Delhi: Sultan Chand & Sons, 2005.

Cita MLA (9a ed.)

Gupta, S. P., y M. P. Gupta. Business Statistics. 14th ed. Sultan Chand & Sons, 2005.