APA-čujuhus (7. p.)
Okes, D. (2009). Root cause analysis: The core of problem solving and corrective action. ASQ Quality Press.
Chicago-čujuhus (17. p.)
Okes, Duke. Root Cause Analysis: The Core of Problem Solving and Corrective Action. Milwaukee, Wisconsin: ASQ Quality Press, 2009.
MLA-čujuhus (9. p.)
Okes, Duke. Root Cause Analysis: The Core of Problem Solving and Corrective Action. ASQ Quality Press, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.