Okun, A. M. (1975). Equality and efficiency: The Big tradeoff. Washington: The Books Institution.
शिकागो स्टाइल उद्धरणOkun, Arthur M. Equality and Efficiency: The Big Tradeoff. Washington: The Books Institution, 1975.
एमएलए उद्धरणOkun, Arthur M. Equality and Efficiency: The Big Tradeoff. Washington: The Books Institution, 1975.
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