Carver, R. H., & Nash, J. G. (2012). Doing data analysis with SPSS version 18. Cengage Learning India Pvivate Limited.
Lua i Stíl Chicago (17ú heag.)Carver, Robert H., agus Jane Gradwohl Nash. Doing Data Analysis with SPSS Version 18. New Delhi: Cengage Learning India Pvivate Limited, 2012.
Lua MLA (8ú heag.)Carver, Robert H., agus Jane Gradwohl Nash. Doing Data Analysis with SPSS Version 18. Cengage Learning India Pvivate Limited, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.