APA (7th ed.) Zitazioa
Levine, D. M. (2005). Statistics for managers using Microsoft Excel (4th ed.). Prentice Hall.
Chicago Style (17th ed.) Zitazioa
Levine, David M. Statistics for Managers Using Microsoft Excel. 4th ed. Upper Saddle River, N.J.: Prentice Hall, 2005.
MLA (9th ed.) Zitazioa
Levine, David M. Statistics for Managers Using Microsoft Excel. 4th ed. Prentice Hall, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.