Cita APA (7th ed.)

Gupta, S. P., & Gupta, M. P. (2016). Business statistics (18th ed.). Sultan Chand & Sons.

Cita Chicago (17th ed.)

Gupta, S. P., i M. P. Gupta. Business Statistics. 18th ed. New Delhi: Sultan Chand & Sons, 2016.

Cita MLA (9th ed.)

Gupta, S. P., i M. P. Gupta. Business Statistics. 18th ed. Sultan Chand & Sons, 2016.