APA aipamena

(2010).  Practice makes perfect Statistics.  McGraw-Hill/Irwin.

Chicago Style aipamena

 Practice Makes Perfect Statistics.  McGraw-Hill/Irwin, 2010.

MLA aipamena

 Practice Makes Perfect Statistics.  McGraw-Hill/Irwin, 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.