Cita APA

Norusis, M. J. 1., & Norusis, M. J. 1. (1993). SPSS for Windows advanced statistics, release 6.0. Chicago: SPSS Inc.

Citación estilo Chicago

Norusis, Marija J. 1948-, y Marija J. 1948- Norusis. SPSS for Windows Advanced Statistics, Release 6.0. Chicago: SPSS Inc, 1993.

Cita MLA

Norusis, Marija J. 1948-, y Marija J. 1948- Norusis. SPSS for Windows Advanced Statistics, Release 6.0. Chicago: SPSS Inc, 1993.