Institute of Policy Studies (Islāmābād, Pakistan). (1991). Taʻlīm. Insṭīṭiyūṭ āf Pālīsī Isṭaḍīz.
Dyfyniad Arddull ChicagoInstitute of Policy Studies (Islāmābād, Pakistan). Taʻlīm. Islāmābād: Insṭīṭiyūṭ āf Pālīsī Isṭaḍīz, 1991.
Dyfyniad MLAInstitute of Policy Studies (Islāmābād, Pakistan). Taʻlīm. Insṭīṭiyūṭ āf Pālīsī Isṭaḍīz, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.