Não informado. (1948). Economic Indicators. Council of Economic Advisers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Economic Indicators. Washington: Council of Economic Advisers, 1948.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Economic Indicators. Council of Economic Advisers, 1948.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.