(1969). EUDISED: European Documentation and Information System for Education. Volume II, National Reports.
Citazione stile Chigago Style (17a edizione)EUDISED: European Documentation and Information System for Education. Volume II, National Reports. 1969.
Citatione MLA (9a ed.)EUDISED: European Documentation and Information System for Education. Volume II, National Reports. 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.