Lewy, A. (1977). Planning the school curriculum. Unesco International Institute for Educational Planning.
Citazione stile Chigago Style (17a edizione)Lewy, Arieh. Planning the School Curriculum. Paris: Unesco International Institute for Educational Planning, 1977.
Citatione MLA (9a ed.)Lewy, Arieh. Planning the School Curriculum. Unesco International Institute for Educational Planning, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.