Elifson, K. W., Haber, A., & Runyon, R. P. (1998). Fundamentals of social statistics (3rd ed.). McGraw Hill.
Cita Chicago (17th ed.)Elifson, Kirk W., Audrey Haber, i Richard P. Runyon. Fundamentals of Social Statistics. 3rd ed. Boston: McGraw Hill, 1998.
Cita MLA (9th ed.)Elifson, Kirk W., et al. Fundamentals of Social Statistics. 3rd ed. McGraw Hill, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.