Norušis, M. J. (1990). SPSS-PC+ V2.0 base manual for the IBM PC, XT, AT and PS 2 (5. print.). SPSS Inc.
Chicago Style (17th ed.) CitationNorušis, Marija J. SPSS-PC+ V2.0 Base Manual for the IBM PC, XT, AT and PS 2. 5. print. Chicago, Ill. u.a: SPSS Inc, 1990.
MLA (9th ed.) CitationNorušis, Marija J. SPSS-PC+ V2.0 Base Manual for the IBM PC, XT, AT and PS 2. 5. print. SPSS Inc, 1990.
Warning: These citations may not always be 100% accurate.