APA-referens (7:e uppl.)

Wetherill, G. B., & Brown, D. W. (1991). Statistical process control: Theory and practice. Chapman and Hall.

Chicago-referens (17:e uppl.)

Wetherill, G. Barrie, och Don W. Brown. Statistical Process Control: Theory and Practice. Londres: Chapman and Hall, 1991.

MLA-referens (9:e uppl.)

Wetherill, G. Barrie, och Don W. Brown. Statistical Process Control: Theory and Practice. Chapman and Hall, 1991.