Spector, P. E. (2001). SAS programming for researchers and social scientists (2nd ed.). Sage.
Chicago Style aipamenaSpector, Paul E. SAS Programming for Researchers and Social Scientists. 2nd ed. Thousand Oaks, Calif: Sage, 2001.
MLA aipamenaSpector, Paul E. SAS Programming for Researchers and Social Scientists. 2nd ed. Sage, 2001.
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