Betteley, G. (1994). Using statistics in industry: Quality improvement through total process control. Prentice Hall.
Dyfyniad Arddull ChicagoBetteley, Gordon. Using Statistics in Industry: Quality Improvement Through Total Process Control. New York: Prentice Hall, 1994.
Dyfyniad MLABetteley, Gordon. Using Statistics in Industry: Quality Improvement Through Total Process Control. Prentice Hall, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.