linsel, h., & sack, k. (1965). classification of national econom. the institute of national planning.
Chicago-čujuhus (17. p.)linsel, hermann, juo kurt sack. Classification of National Econom. cairo: the institute of national planning, 1965.
MLA-čujuhus (9. p.)linsel, hermann, juo kurt sack. Classification of National Econom. the institute of national planning, 1965.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.