Armstrong michael. (2010). Armstrong`s handbook of mangement & lead ership. kongan page india.
Dyfyniad Arddull ChicagoArmstrong michael. Armstrong`s Handbook of Mangement & Lead Ership. New delhi: kongan page india, 2010.
Dyfyniad MLAArmstrong michael. Armstrong`s Handbook of Mangement & Lead Ership. kongan page india, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.