APA-čujuhus (7. p.)
Gryna, F. M., Hytinen, A., & O'Mara, P. (2004). Work overload!: Redesigning jobs to minimize stress and burnout. ASQ Quality Press.
Chicago-čujuhus (17. p.)
Gryna, Frank M., Annemieke Hytinen, juo Paul O'Mara. Work Overload!: Redesigning Jobs to Minimize Stress and Burnout. Milwaukee, Wisconsin: ASQ Quality Press, 2004.
MLA-čujuhus (9. p.)
Gryna, Frank M., et al. Work Overload!: Redesigning Jobs to Minimize Stress and Burnout. ASQ Quality Press, 2004.
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