Cita APA (7th ed.)
Allio, R. J. (2003). The seven faces of leadership. Tata McGraw-Hill.
Cita Chicago (17th ed.)
Allio, Robert J. The Seven Faces of Leadership. New Delhi: Tata McGraw-Hill, 2003.
Cita MLA (9th ed.)
Allio, Robert J. The Seven Faces of Leadership. Tata McGraw-Hill, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.