एपीए उद्धरण

Krugman, P., & Wells, R. (2006). Economics. Worth Publishers.

शिकागो स्टाइल उद्धरण

Krugman, Paul, और Robin Wells. Economics. New York: Worth Publishers, 2006.

एमएलए उद्धरण

Krugman, Paul, और Robin Wells. Economics. Worth Publishers, 2006.