Okun, A. M. (1972). The battle against unemployment. Norton.
Chicagoスタイル(17版)引用形式Okun, Arthur M. The Battle Against Unemployment. New York: Norton, 1972.
MLA(9版)引用形式Okun, Arthur M. The Battle Against Unemployment. Norton, 1972.
警告: この引用は必ずしも正確ではありません.