Não informado. (1971). Euro abstracts. Commission of the European Communities.
Style de citation Chicago (17e éd.)Não informado. Euro Abstracts. Luxembourg: Commission of the European Communities, 1971.
Style de citation MLA (8e éd.)Não informado. Euro Abstracts. Commission of the European Communities, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.