Ellis, R. J. (1989). Dilemmas of presidential leadership: From Washington through Lincoln. Transaction.
Style de citation Chicago (17e éd.)Ellis, Richard J. Dilemmas of Presidential Leadership: From Washington Through Lincoln. New Brunswick, N.J: Transaction, 1989.
Style de citation MLA (9e éd.)Ellis, Richard J. Dilemmas of Presidential Leadership: From Washington Through Lincoln. Transaction, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.