Spector, P. E. (2001). SAS programming for research and social scientists/Paul E. Spector. Sage.
Chicago-viite (17. p.)Spector, Paul E. SAS Programming for Research and Social Scientists/Paul E. Spector. Sage, 2001.
MLA-viite (8. p.)Spector, Paul E. SAS Programming for Research and Social Scientists/Paul E. Spector. Sage, 2001.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.