hamid, s. (1965). imports requirement for exports plan. the institute of national planning.
Citazione stile Chigago Style (17a edizione)hamid, s. Imports Requirement for Exports Plan. cairo: the institute of national planning, 1965.
Citatione MLA (9a ed.)hamid, s. Imports Requirement for Exports Plan. the institute of national planning, 1965.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.