Παραπομπή APA

Falk, R., & Falk. Raphael. (2003). Understanding probability and statistics: A book of problems. Universities.

Παραπομπή Chicago Style

Falk, Ruma, και Falk. Raphael. Understanding Probability and Statistics: A Book of Problems. Hyderabad: Universities, 2003.

Παραπομπή MLA

Falk, Ruma, και Falk. Raphael. Understanding Probability and Statistics: A Book of Problems. Universities, 2003.