Não informado. (1947). Economic Survey of Europe. United Nations, Department of Economic and Social Affairs.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Economic Survey of Europe. Geneve, Suíça: United Nations, Department of Economic and Social Affairs, 1947.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Economic Survey of Europe. United Nations, Department of Economic and Social Affairs, 1947.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.