naguib, n., & hassouna, w. a. (1970). evaluation of social services. the institute of national planning.
Citazione stile Chigago Style (17a edizione)naguib, nadia, e w. a. hassouna. Evaluation of Social Services. cairo: the institute of national planning, 1970.
Citatione MLA (9a ed.)naguib, nadia, e w. a. hassouna. Evaluation of Social Services. the institute of national planning, 1970.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.