European Orthodontic Society. (1948). Report of the annual congress.
Citazione stile Chigago Style (17a edizione)European Orthodontic Society. Report of the Annual Congress. The Hague, 1948.
Citatione MLA (9a ed.)European Orthodontic Society. Report of the Annual Congress. 1948.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.