APA aipamena

Norusis, M. J. (1994). SPSS 6.1 base system user's guide: Part 2 / Marija J. Norusis. SPSS, Inc.

Chicago Style aipamena

Norusis, Marija J. SPSS 6.1 Base System User's Guide: Part 2 / Marija J. Norusis. Chicago, IL: SPSS, Inc, 1994.

MLA aipamena

Norusis, Marija J. SPSS 6.1 Base System User's Guide: Part 2 / Marija J. Norusis. SPSS, Inc, 1994.