APA-referens (7:e uppl.)

Walker, H. F. (2008). The certified quality inspector handbook. ASQ Quality Press.

Chicago-referens (17:e uppl.)

Walker, H. Fred. The Certified Quality Inspector Handbook. Milwaukee, Wisconsin: ASQ Quality Press, 2008.

MLA-referens (9:e uppl.)

Walker, H. Fred. The Certified Quality Inspector Handbook. ASQ Quality Press, 2008.