Não informado. Report of the Secretary General on the Activities of FID. International Federation for Documentation.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Report of the Secretary General on the Activities of FID. The Hague, Holanda: International Federation for Documentation.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Report of the Secretary General on the Activities of FID. International Federation for Documentation.
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