APA
Wagner W. E., . (2007). Using SPSS for social statistics and research methods. Thousand Oaks, Calif: Pine Forge Press.
Chicago
Wagner William E, . 2007. Using SPSS for social statistics and research methods. Thousand Oaks, Calif: Pine Forge Press.
Harvard
Wagner W. E., . (2007). Using SPSS for social statistics and research methods. Thousand Oaks, Calif: Pine Forge Press.
MLA
Wagner William E, . Using SPSS for social statistics and research methods. Thousand Oaks, Calif: Pine Forge Press. 2007.