qayum, A. (1965). economic criteria for foreign loans. National Planning Institute.
Dyfyniad Arddull Chicagoqayum, A. Economic Criteria for Foreign Loans. cairo: National Planning Institute, 1965.
Dyfyniad MLAqayum, A. Economic Criteria for Foreign Loans. National Planning Institute, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.