HUNTSBERGER, D. V., & BILLINGSLEY, P. (1973). Elements of statistical inference.-- ed.3. Allyn and bacon.

HUNTSBERGER, David V., and Patrick BILLINGSLEY. Elements of Statistical Inference.-- Ed.3. Boston: Allyn and bacon, 1973.

HUNTSBERGER, David V., and Patrick BILLINGSLEY. Elements of Statistical Inference.-- Ed.3. Allyn and bacon, 1973.