Betteley, G. (1994). Using statistics in industry: Quality improvement through total process control. Prentice Hall.
Cita Chicago (17th ed.)Betteley, Gordon. Using Statistics in Industry: Quality Improvement Through Total Process Control. New York: Prentice Hall, 1994.
Cita MLA (9th ed.)Betteley, Gordon. Using Statistics in Industry: Quality Improvement Through Total Process Control. Prentice Hall, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.