APA (7th ed.) Zitazioa
Weiss, N. A. (1999). Elementary statistics (4th.ed.). Addison-Wesley.
Chicago Style (17th ed.) Zitazioa
Weiss, Neil A. Elementary Statistics. 4th.ed. Massachusetts: Addison-Wesley, 1999.
MLA (9th ed.) Zitazioa
Weiss, Neil A. Elementary Statistics. 4th.ed. Addison-Wesley, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.