Lehmann, E. (1983). Theory of point estimation. John Wiley &Sons.
Chicago Style aipamenaLehmann, E.L. Theory of Point Estimation. New York: John Wiley &Sons, 1983.
MLA aipamenaLehmann, E.L. Theory of Point Estimation. John Wiley &Sons, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.