rudolph, j. (1958). balance of national economy-an instrument of long term planning. the institute of national planning.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումrudolph, johannes. Balance of National Economy-an Instrument of Long Term Planning. cairo: the institute of national planning, 1958.
MLA (9րդ խմբ.) Մեջբերումrudolph, johannes. Balance of National Economy-an Instrument of Long Term Planning. the institute of national planning, 1958.