qayum, a. (1964). a diagrammatic representation of the policy of accounting prices. the institute of national planning.
Παραπομπή σε μορφή Chicago (17η εκδ.)qayum, a. A Diagrammatic Representation of the Policy of Accounting Prices. cairo: the institute of national planning, 1964.
Παραπομπή σε μορφή MLA (9th εκδ.)qayum, a. A Diagrammatic Representation of the Policy of Accounting Prices. the institute of national planning, 1964.