Dyfyniad APA

COSTELLO, S. J. (1994). Effective performance management. Business One IRWIN.

Dyfyniad Arddull Chicago

COSTELLO, Sheila J. Effective Performance Management. Illinois: Business One IRWIN, 1994.

Dyfyniad MLA

COSTELLO, Sheila J. Effective Performance Management. Business One IRWIN, 1994.

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