APA (7th ed.) Zitazioa
Ott, . L. (1976). Understanding statistics (2nd ed.). Duxbury.
Chicago Style (17th ed.) Zitazioa
Ott, Lyman. Understanding Statistics. 2nd ed. Belmont: Duxbury, 1976.
MLA (9th ed.) Zitazioa
Ott, Lyman. Understanding Statistics. 2nd ed. Duxbury, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.