एपीए उद्धरण

Krugman, P. R., & Obstfeld, M. (2000). International economics: Theory and policy (International ed.). New York: Addison Wesley.

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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