Cita APA (7th ed.)

sobhy, h. m. (1980). regional planning as a tool of strengthening the national economy. the institute of national planning.

Cita Chicago (17th ed.)

sobhy, hoda m. Regional Planning as a Tool of Strengthening the National Economy. cairo: the institute of national planning, 1980.

Cita MLA (9th ed.)

sobhy, hoda m. Regional Planning as a Tool of Strengthening the National Economy. the institute of national planning, 1980.