Dyfyniad APA

Gupta, S., & Gupta, I. (1981). Fundamentals of statistics/6e (6th ed.). Himalaya.

Dyfyniad Arddull Chicago

Gupta, S.C, and Indira Gupta. Fundamentals of Statistics/6e. 6th ed. Mumbai: Himalaya, 1981.

Dyfyniad MLA

Gupta, S.C, and Indira Gupta. Fundamentals of Statistics/6e. 6th ed. Himalaya, 1981.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.