FORTUNE JOYCE. (1997). LEARNING FROM FAILURE: SYSTEMS APPROACH. JOHN WILEY AND SONS.
Chicago (17e ed.) BronvermeldingFORTUNE JOYCE. LEARNING FROM FAILURE: SYSTEMS APPROACH. NEW JERSEY,USA: JOHN WILEY AND SONS, 1997.
MLA (9e ed.) BronvermeldingFORTUNE JOYCE. LEARNING FROM FAILURE: SYSTEMS APPROACH. JOHN WILEY AND SONS, 1997.
Let op: Deze citaties zijn niet altijd 100% accuraat.