APA (7th ed.) Zitazioa
Kirkpatrick, L. A., & Brooke C. Feeney. (2009). A simple guide to SPSS: For version 16.0. Wadsworth, Gengage Learning.
Chicago Style (17th ed.) Zitazioa
Kirkpatrick, Lee A., eta Brooke C. Feeney. A Simple Guide to SPSS: For Version 16.0. Australia: Wadsworth, Gengage Learning, 2009.
MLA (9th ed.) Zitazioa
Kirkpatrick, Lee A., eta Brooke C. Feeney. A Simple Guide to SPSS: For Version 16.0. Wadsworth, Gengage Learning, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.