Silverman, L. L., & Propst, A. L. (1999). Critical shift: The future of quality in organizational performance. ASQ Quality Press.
Čikaški stil citiranja (17. izdanje)Silverman, Lori L., i Annabeth L. Propst. Critical Shift: The Future of Quality in Organizational Performance. Milwaukee: ASQ Quality Press, 1999.
MLA način citiranja (9. izdanje)Silverman, Lori L., i Annabeth L. Propst. Critical Shift: The Future of Quality in Organizational Performance. ASQ Quality Press, 1999.
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