Dyfyniad APA

Drucker, P. (2005). Managing for results and managing for future. Butterworth.

Dyfyniad Arddull Chicago

Drucker, Peter.F. Managing for Results and Managing for Future. Butterworth, 2005.

Dyfyniad MLA

Drucker, Peter.F. Managing for Results and Managing for Future. Butterworth, 2005.

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