Smith, D. M. (1997). The practical executive and leadership. NTC Business Books.
Cita Chicago (17th ed.)Smith, Dayle M. The Practical Executive and Leadership. Lincolnwood, Illinois: NTC Business Books, 1997.
Cita MLA (9th ed.)Smith, Dayle M. The Practical Executive and Leadership. NTC Business Books, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.