APA Style
Norusis, Marija J.. (1993).
SPSS: SPSS for Windows Base System User's Guide Release 6.0 .
Chicago:
SPSS, Inc..
Chicago Style
Norusis, Marija J..
SPSS: SPSS for Windows Base System User's Guide Release 6.0.
Chicago:
SPSS, Inc.,
1993.
Text.
MLA Style
Norusis, Marija J..
SPSS: SPSS for Windows Base System User's Guide Release 6.0.
Chicago:
SPSS, Inc.,
1993.
Text.
Turabian Style
Norusis, Marija J..
SPSS: SPSS for Windows Base System User's Guide Release 6.0.
Chicago:
SPSS, Inc.,
1993.
Print.