rudolph, j. (1958). balance of national economy-an instrument of long term planning. the institute of national planning.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিrudolph, johannes. Balance of National Economy-an Instrument of Long Term Planning. cairo: the institute of national planning, 1958.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিrudolph, johannes. Balance of National Economy-an Instrument of Long Term Planning. the institute of national planning, 1958.