Wickman. Robert F. & Doyle, R. S. (1993). Breakthrough quality improvement for leaders who want result. Tata McGraw Hill.
Čikaški stil citiranjaWickman. Robert F. i Robert S. Doyle. Breakthrough Quality Improvement for Leaders Who Want Result. New Delhi: Tata McGraw Hill, 1993.
MLA način citiranjaWickman. Robert F. i Robert S. Doyle. Breakthrough Quality Improvement for Leaders Who Want Result. Tata McGraw Hill, 1993.
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