Bureau international d'éducation. (1979). Directory of educational documentation and information services =: Répertoire des services de documentation et d'information pédagogiques (3rd ed.). UNESCO.
Citazione stile Chigago Style (17a edizione)Bureau international d'éducation. Directory of Educational Documentation and Information Services =: Répertoire Des Services De Documentation Et D'information Pédagogiques. 3rd ed. Paris: UNESCO, 1979.
Citatione MLA (9a ed.)Bureau international d'éducation. Directory of Educational Documentation and Information Services =: Répertoire Des Services De Documentation Et D'information Pédagogiques. 3rd ed. UNESCO, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.