Παραπομπή APA

Billingsley, P. (1991). Probability and measure (Ed.2 /.).

Παραπομπή Chicago Style

Billingsley, Patrick. Probability and Measure. Ed.2 /. Singapore : Wiley, 1991.

Παραπομπή MLA

Billingsley, Patrick. Probability and Measure. Ed.2 /. 1991.