Manning, G., & Curtis, K. (2012). The art of leadership (4th ed.). McGraw-Hill.
Dyfyniad Arddull ChicagoManning, George, and Kent Curtis. The Art of Leadership. 4th ed. New York: McGraw-Hill, 2012.
Dyfyniad MLAManning, George, and Kent Curtis. The Art of Leadership. 4th ed. McGraw-Hill, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.