Hummel, C. (1977). Education today for the world of tomorrow: A study prepared for the International Bureau of Education. Unesco.
Style de citation Chicago (17e éd.)Hummel, Charles. Education Today for the World of Tomorrow: A Study Prepared for the International Bureau of Education. Paris: Unesco, 1977.
Style de citation MLA (9e éd.)Hummel, Charles. Education Today for the World of Tomorrow: A Study Prepared for the International Bureau of Education. Unesco, 1977.
Attention : ces citations peuvent ne pas être correctes à 100%.