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Dyfyniad Arddull ChicagoHeaton, Herbert. Productivity in Service Organizations: Organizing for People. New York: McGraw-Hill, 1977.
Dyfyniad MLAHeaton, Herbert. Productivity in Service Organizations: Organizing for People. McGraw-Hill, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.