Guldner, F. J. (1987). Statistical quality assurance. Delmar Pub.
Lua i Stíl Chicago (17ú heag.)Guldner, Francis J. Statistical Quality Assurance. Albany, N. Y: Delmar Pub, 1987.
Lua MLA (9ú heag.)Guldner, Francis J. Statistical Quality Assurance. Delmar Pub, 1987.
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