Gardner, J. W. (1993). On leadership: With a preface to the paperback edition. Free Press.
Chicago (17e ed.) BronvermeldingGardner, John W. On Leadership: With a Preface to the Paperback Edition. New York: Free Press, 1993.
MLA (8e ed.) BronvermeldingGardner, John W. On Leadership: With a Preface to the Paperback Edition. Free Press, 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.