Citazione APA

Gupta, C. B., & Ratna, V. (1973). Statistical calculations (3rd ed.). Vikas Publishing House Pvt. Ltd.

Stile di citazione Chicago

Gupta, C. B., e V. Ratna. Statistical Calculations. 3rd ed. New Delhi: Vikas Publishing House Pvt. Ltd, 1973.

Citazione MLA

Gupta, C. B., e V. Ratna. Statistical Calculations. 3rd ed. Vikas Publishing House Pvt. Ltd, 1973.