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Dyfyniad Arddull ChicagoPetrick, J.A. Encyclopaedia of Total Quality Management: Total Quality Managing Human Resources. Vanity(St Jude Press): New Delhi, 1995.
Dyfyniad MLAPetrick, J.A. Encyclopaedia of Total Quality Management: Total Quality Managing Human Resources. New Delhi, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.