Hradesky, J. L. (1988). Productivity and quality improvement: A practical guide to implementing statistical process control. McGraw-Hill.

Hradesky, John L. Productivity and Quality Improvement: A Practical Guide to Implementing Statistical Process Control. New York: McGraw-Hill, 1988.

Hradesky, John L. Productivity and Quality Improvement: A Practical Guide to Implementing Statistical Process Control. McGraw-Hill, 1988.