Rausch, E. (1998). High quality leadership. McGraw-Hill.
Dyfyniad Arddull ChicagoRausch, Erwin. High Quality Leadership. McGraw-Hill, 1998.
Dyfyniad MLARausch, Erwin. High Quality Leadership. McGraw-Hill, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.