GIULIANI RUDOLPH W. (2002). LEADERSHIP. HYPERION.
Cita Chicago (17th ed.)GIULIANI RUDOLPH W. LEADERSHIP. NEW YORK: HYPERION, 2002.
Cita MLA (9th ed.)GIULIANI RUDOLPH W. LEADERSHIP. HYPERION, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.