Hansen, B. (1967). Long- and short-term planning in underdeveloped countries. North-Holland.
Cita Chicago Style (17a ed.)Hansen, Bent. Long- and Short-term Planning in Underdeveloped Countries. Amsterdam: North-Holland, 1967.
Cita MLA (9a ed.)Hansen, Bent. Long- and Short-term Planning in Underdeveloped Countries. North-Holland, 1967.
Precaución: Estas citas no son 100% exactas.