Não informado. (1961). International Journal of Adult and Youth Education. Unesco.
Style de citation Chicago (17e éd.)Não informado. International Journal of Adult and Youth Education. Paris: Unesco, 1961.
Style de citation MLA (8e éd.)Não informado. International Journal of Adult and Youth Education. Unesco, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.