christophev,E.M. (1996). Leadership Training. Viva Books.
Dyfyniad Arddull Chicagochristophev,E.M. Leadership Training. Delhi: Viva Books, 1996.
Dyfyniad MLAchristophev,E.M. Leadership Training. Viva Books, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.