Armstrong, M. (1999). The art of HRD: Managing people. Crest Publishing House.
Dyfyniad Arddull ChicagoArmstrong, Michael. The Art of HRD: Managing People. New Delhi: Crest Publishing House, 1999.
Dyfyniad MLAArmstrong, Michael. The Art of HRD: Managing People. Crest Publishing House, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.