Não informado. Report of the Secretary General on the Activities of FID. International Federation for Documentation.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Report of the Secretary General on the Activities of FID. The Hague, Holanda: International Federation for Documentation.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Report of the Secretary General on the Activities of FID. International Federation for Documentation.
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