Dyfyniad APA

FORTUNE JOYCE. (1997). LEARNING FROM FAILURE: SYSTEMS APPROACH. JOHN WILEY AND SONS.

Dyfyniad Arddull Chicago

FORTUNE JOYCE. LEARNING FROM FAILURE: SYSTEMS APPROACH. NEW JERSEY,USA: JOHN WILEY AND SONS, 1997.

Dyfyniad MLA

FORTUNE JOYCE. LEARNING FROM FAILURE: SYSTEMS APPROACH. JOHN WILEY AND SONS, 1997.

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