APA استشهاد

Lehmann, E. (1983). Theory of point estimation. John Wiley &Sons.

استشهاد بنمط شيكاغو

Lehmann, E.L. Theory of Point Estimation. New York: John Wiley &Sons, 1983.

MLA استشهاد

Lehmann, E.L. Theory of Point Estimation. John Wiley &Sons, 1983.