Cita APA (7th ed.)
Kirkpatrick, L. A., & Brooke C. Feeney. (2009). A simple guide to SPSS: For version 16.0. Wadsworth, Gengage Learning.
Cita Chicago (17th ed.)
Kirkpatrick, Lee A., i Brooke C. Feeney. A Simple Guide to SPSS: For Version 16.0. Australia: Wadsworth, Gengage Learning, 2009.
Cita MLA (9th ed.)
Kirkpatrick, Lee A., i Brooke C. Feeney. A Simple Guide to SPSS: For Version 16.0. Wadsworth, Gengage Learning, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.