OKUN, A. M. (1971). Brokings Papers On Economic Activity Arthur M. Okun And George L. Perry. The Brookings Institution.
Chicago-viite (17. p.)OKUN, Arthur M. Brokings Papers On Economic Activity Arthur M. Okun And George L. Perry. The Brookings Institution, 1971.
MLA-viite (8. p.)OKUN, Arthur M. Brokings Papers On Economic Activity Arthur M. Okun And George L. Perry. The Brookings Institution, 1971.
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