1.
Demographic aspects of educational planning. Paris: UNESCO; 1969.
Demographic aspects of educational planning. Paris : UNESCO, 8 mai 1969. ISBN 9280310283
Châu Ta Ngoc. (1969). Demographic aspects of educational planning. UNESCO.
Style de citation MLA (8e éd.)Châu Ta Ngoc. Demographic Aspects of Educational Planning. UNESCO, 1969.
Attention : ces citations peuvent ne pas être correctes à 100%.