(1993). SPSS® base system: Syntax reference guide. Release 6.0. Chicago, Ill: SPSS Inc.
Čikaški stil citiranjaSPSS® Base System: Syntax Reference Guide. Release 6.0. Chicago, Ill: SPSS Inc, 1993.
MLA način citiranjaSPSS® Base System: Syntax Reference Guide. Release 6.0. Chicago, Ill: SPSS Inc, 1993.
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