Dyfyniad APA

Marshall, D. R. (1999). The four elements of successful management. AMACOM.

Dyfyniad Arddull Chicago

Marshall, Don R. The Four Elements of Successful Management. New York: AMACOM, 1999.

Dyfyniad MLA

Marshall, Don R. The Four Elements of Successful Management. AMACOM, 1999.

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