Παραπομπή APA

Ryan, T. P. (2000). Statistical methods for quality improvement (2nd ed.). John Wiley.

Παραπομπή Chicago Style

Ryan, Thomas P. Statistical Methods for Quality Improvement. 2nd ed. New York: John Wiley, 2000.

Παραπομπή MLA

Ryan, Thomas P. Statistical Methods for Quality Improvement. 2nd ed. John Wiley, 2000.