Anderson David r. (2011). Statistics for Business and Economics - CD. Cengage.
Chicago Style aipamenaAnderson David r. Statistics for Business and Economics - CD. Australia: Cengage, 2011.
MLA aipamenaAnderson David r. Statistics for Business and Economics - CD. Cengage, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.