Παραπομπή APA

Gupta, B. (1972). Introduction to Statistical Methods (17th ed.). Vikas Publishing House.

Παραπομπή Chicago Style

Gupta, B. Introduction to Statistical Methods. 17th ed. Delhi: Vikas Publishing House, 1972.

Παραπομπή MLA

Gupta, B. Introduction to Statistical Methods. 17th ed. Vikas Publishing House, 1972.