APA-čujuhus (7. p.)
Duffy, G. L. (2014). Modular kaizen: Continuous and breakthrough improvement. ASQ Quality Press.
Chicago-čujuhus (17. p.)
Duffy, Grace L. Modular Kaizen: Continuous and Breakthrough Improvement. Milwaukee, Wisconsin: ASQ Quality Press, 2014.
MLA-čujuhus (9. p.)
Duffy, Grace L. Modular Kaizen: Continuous and Breakthrough Improvement. ASQ Quality Press, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.