APA (7th ed.) Citation

Ryan, T. P. (1989). Statistical methods for quality improvement (1. print.). Wiley.

Chicago Style (17th ed.) Citation

Ryan, Thomas P. Statistical Methods for Quality Improvement. 1. print. New York [u.a.]: Wiley, 1989.

MLA (9th ed.) Citation

Ryan, Thomas P. Statistical Methods for Quality Improvement. 1. print. Wiley, 1989.