SAS Institute. (1990). SAS/STAT user's guide: Version 6 (4th ed.). SAS Institute Inc.
Čikaški stil citiranja (17. izdanje)SAS Institute. SAS/STAT User's Guide: Version 6. 4th ed. Cary, N.C: SAS Institute Inc, 1990.
MLA način citiranja (9. izdanje)SAS Institute. SAS/STAT User's Guide: Version 6. 4th ed. SAS Institute Inc, 1990.
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