Barrentine, L. B. (2003). Concepts for R&R studies (Second edition.). ASQ Quality Press.
Lua i Stíl Chicago (17ú heag.)Barrentine, Larry B. Concepts for R&R Studies. Second edition. Milwaukee, Wisconsin: ASQ Quality Press, 2003.
Lua MLA (9ú heag.)Barrentine, Larry B. Concepts for R&R Studies. Second edition. ASQ Quality Press, 2003.
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