hammam, e. e. d. (1963). economics of agricultural production and resource use. the institute of national planning.
Citazione stile Chigago Style (17a edizione)hammam, ezz el din. Economics of Agricultural Production and Resource Use. cairo: the institute of national planning, 1963.
Citatione MLA (9a ed.)hammam, ezz el din. Economics of Agricultural Production and Resource Use. the institute of national planning, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.