SENGE PETER M. (2006). FIFTH DISCIPLINE: THE ART & PRACTICE OF THE LEARNING ORGANISATION. RANDOM HOUSE.
Dyfyniad Arddull ChicagoSENGE PETER M. FIFTH DISCIPLINE: THE ART & PRACTICE OF THE LEARNING ORGANISATION. U.K: RANDOM HOUSE, 2006.
Dyfyniad MLASENGE PETER M. FIFTH DISCIPLINE: THE ART & PRACTICE OF THE LEARNING ORGANISATION. RANDOM HOUSE, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.