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Dyfyniad Arddull ChicagoCHANG RICHARD Y. PASSION PLAN AT WORK: BUILDING A PASSION-DRIVEN ORGANISATION. SAN FRANCISCO: JOSSEY-BASS PUBLICATIONS, 2001.
Dyfyniad MLACHANG RICHARD Y. PASSION PLAN AT WORK: BUILDING A PASSION-DRIVEN ORGANISATION. JOSSEY-BASS PUBLICATIONS, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.