Não informado. (1971). Educational broadcasting international. Centre for Educational Television Overseas.
Style de citation Chicago (17e éd.)Não informado. Educational Broadcasting International. London: Centre for Educational Television Overseas, 1971.
Style de citation MLA (8e éd.)Não informado. Educational Broadcasting International. Centre for Educational Television Overseas, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.