John C Maxwell. The 360 Degree Leader. Jaico Publishing House.
Dyfyniad Arddull ChicagoJohn C Maxwell. The 360 Degree Leader. Jaico Publishing House.
Dyfyniad MLAJohn C Maxwell. The 360 Degree Leader. Jaico Publishing House.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.