Παραπομπή APA

Gupta, C. B. (1993). An introduction to statistical methods. Vikas.

Παραπομπή Chicago Style

Gupta, C. B. An Introduction to Statistical Methods. New Delhi: Vikas, 1993.

Παραπομπή MLA

Gupta, C. B. An Introduction to Statistical Methods. Vikas, 1993.