Lehmann, E. (1975). Nonparametrics: Statistical methods based on ranks. McGraw-Hill.
Chicago Style aipamenaLehmann, E.L. Nonparametrics: Statistical Methods Based on Ranks. New York: McGraw-Hill, 1975.
MLA aipamenaLehmann, E.L. Nonparametrics: Statistical Methods Based on Ranks. McGraw-Hill, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.