linsel, h., & sack, k. (1965). classification of national econom. the institute of national planning.
Cita Chicago (17th ed.)linsel, hermann, i kurt sack. Classification of National Econom. cairo: the institute of national planning, 1965.
Cita MLA (9th ed.)linsel, hermann, i kurt sack. Classification of National Econom. the institute of national planning, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.