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Dyfyniad Arddull ChicagoOdiorne, George S. Management Decisions by Objectives. Englewood Cliffs, N.J: Prentice-Hall, 1969.
Dyfyniad MLAOdiorne, George S. Management Decisions by Objectives. Prentice-Hall, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.