Não informado. (1969). New England Economic Review. Federal Reserve Bank of Boston.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. New England Economic Review. Boston, Mass: Federal Reserve Bank of Boston, 1969.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. New England Economic Review. Federal Reserve Bank of Boston, 1969.
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