Nie, N. H., Bent, D. H., & Hull, C. H. (1970). SPSS: Statistical package for the social sciences. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Nie, Norman H., Dale H. Bent, agus C. Hadlai Hull. SPSS: Statistical Package for the Social Sciences. New York: McGraw-Hill, 1970.
Lua MLA (9ú heag.)Nie, Norman H., et al. SPSS: Statistical Package for the Social Sciences. McGraw-Hill, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.