Não informado. (2001). Economic Quarterly. Federal Reserve Bank of Richmond.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Economic Quarterly. Richmond, Va: Federal Reserve Bank of Richmond, 2001.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Economic Quarterly. Federal Reserve Bank of Richmond, 2001.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.