Imam, M. F. (1999). Statistical Package for Social Sciences (SPSS) (6th ed.). Systech Publications.
Cita Chicago (17th ed.)Imam, M. Farouq. Statistical Package for Social Sciences (SPSS). 6th ed. Dhaka: Systech Publications, 1999.
Cita MLA (9th ed.)Imam, M. Farouq. Statistical Package for Social Sciences (SPSS). 6th ed. Systech Publications, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.