Ryan, T. P. (2000). Statistical methods for quality improvement (2nd ed.). John Wiley.
Chicago-stil citatRyan, Thomas P. Statistical Methods for Quality Improvement. 2nd ed. New York: John Wiley, 2000.
MLA-referensRyan, Thomas P. Statistical Methods for Quality Improvement. 2nd ed. John Wiley, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.