Hradesky, J. L. (1988). Productivity and quality improvement: A practical guide to implementing statistical process control. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHradesky, John L. Productivity and Quality Improvement: A Practical Guide to Implementing Statistical Process Control. New York: McGraw-Hill, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHradesky, John L. Productivity and Quality Improvement: A Practical Guide to Implementing Statistical Process Control. McGraw-Hill, 1988.
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