एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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