Krugman,Paul R, & Obstfeld,Maurice. (1997). International economics: Theory and policy. Addison - Wesley.
शिकागो स्टाइल उद्धरणKrugman,Paul R, और Obstfeld,Maurice. International Economics: Theory and Policy. New York: Addison - Wesley, 1997.
एमएलए उद्धरणKrugman,Paul R, और Obstfeld,Maurice. International Economics: Theory and Policy. Addison - Wesley, 1997.
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