John, P. W. M. (1990). Statistical methods in engineering and quality assurance. New York: Wiley.
Παραπομπή Chicago StyleJohn, Peter William Meredith. Statistical Methods in Engineering and Quality Assurance. New York: Wiley, 1990.
Παραπομπή MLAJohn, Peter William Meredith. Statistical Methods in Engineering and Quality Assurance. New York: Wiley, 1990.
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