Dyfyniad APA

Ellis, R. J. (1989). Dilemmas of presidential leadership: From Washington through Lincoln. Transaction.

Dyfyniad Arddull Chicago

Ellis, Richard J. Dilemmas of Presidential Leadership: From Washington Through Lincoln. New Brunswick, N.J: Transaction, 1989.

Dyfyniad MLA

Ellis, Richard J. Dilemmas of Presidential Leadership: From Washington Through Lincoln. Transaction, 1989.

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