Okun, Arthur M., and George L. Perry. “Editors’ Summary”. Brookings Papers on Economic Activity, vol. 1976, no. 2, 1976, p. 289, https://doi.org/10.2307/2534377.
Okun, A. M., & Perry, G. L. (1976). Editors’ Summary. Brookings Papers on Economic Activity, 1976(2), 289. https://doi.org/10.2307/2534377
Okun AM, Perry GL. Editors’ Summary. Brookings Papers on Economic Activity. 1976;1976(2):289.