Burns, R. B., & Burns, R. A. (2008). Business research methods and statistics using SPSS. SAGE.
Cita Chicago (17th ed.)Burns, Robert B., i Richard A. Burns. Business Research Methods and Statistics Using SPSS. Los Angeles ; London: SAGE, 2008.
Cita MLA (8th ed.)Burns, Robert B., i Richard A. Burns. Business Research Methods and Statistics Using SPSS. SAGE, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.