APA aipamena

Lewis,John Parry, & Traill,Alasdair. (1999). Statistics explained. Addison-Wesley.

Chicago Style aipamena

Lewis,John Parry, and Traill,Alasdair. Statistics Explained. England: Addison-Wesley, 1999.

MLA aipamena

Lewis,John Parry, and Traill,Alasdair. Statistics Explained. Addison-Wesley, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.