Moffat, D. W. (1988). Elementary statistics for IBM PCs. National Book Store.
Cita Chicago (17th ed.)Moffat, Donald W. Elementary Statistics for IBM PCs. Manila: National Book Store, 1988.
Cita MLA (9th ed.)Moffat, Donald W. Elementary Statistics for IBM PCs. National Book Store, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.