Παραπομπή APA

Yule, G. U., & Kendall, M. G. (1991). Introduction to the theory of statistics (14th ed.). New Delhi.

Παραπομπή Chicago Style

Yule, G Udny, και M G. Kendall. Introduction to the Theory of Statistics. 14th ed. New Delhi, 1991.

Παραπομπή MLA

Yule, G Udny, και M G. Kendall. Introduction to the Theory of Statistics. 14th ed. New Delhi, 1991.