Farnum, N. R. (1994). Modern statistical quality control and improvement. Duxbury.
Cita Chicago (17th ed.)Farnum, Nicholas R. Modern Statistical Quality Control and Improvement. Belmont, CA: Duxbury, 1994.
Cita MLA (9th ed.)Farnum, Nicholas R. Modern Statistical Quality Control and Improvement. Duxbury, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.