Ryan, T. P. (2000). Statistical methods for quality improvement (2nd ed.). John Wiley.
Chicago ZitierstilRyan, Thomas P. Statistical Methods for Quality Improvement. 2nd ed. New York: John Wiley, 2000.
MLA ZitierstilRyan, Thomas P. Statistical Methods for Quality Improvement. 2nd ed. John Wiley, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.