एपीए उद्धरण

Krugman Paul R. & Obstfeld Maurice. (2000). International economics: Theory and policy (5 ed.). Addison wesley.

शिकागो स्टाइल उद्धरण

Krugman Paul R. और Obstfeld Maurice. International Economics: Theory and Policy. 5 ed. New York: Addison wesley, 2000.

एमएलए उद्धरण

Krugman Paul R. और Obstfeld Maurice. International Economics: Theory and Policy. 5 ed. Addison wesley, 2000.