naguib, n., & hassouna, w. a. (1970). evaluation of social services. the institute of national planning.
Lua i Stíl Chicago (17ú heag.)naguib, nadia, agus w. a. hassouna. Evaluation of Social Services. cairo: the institute of national planning, 1970.
Lua MLA (9ú heag.)naguib, nadia, agus w. a. hassouna. Evaluation of Social Services. the institute of national planning, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.