Hassouna, W. (1971). Priority Determination in Health Planning: A Position Paper. The Institute of National Planning.
Lua i Stíl Chicago (17ú heag.)Hassouna, W.A. Priority Determination in Health Planning: A Position Paper. Cairo: The Institute of National Planning, 1971.
Lua MLA (9ú heag.)Hassouna, W.A. Priority Determination in Health Planning: A Position Paper. The Institute of National Planning, 1971.