एपीए उद्धरण

Pugel, T. A. (2009). International economics. New York: McGraw-Hill/Irwin.

शिकागो स्टाइल उद्धरण

Pugel, Thomas A. International Economics. New York: McGraw-Hill/Irwin, 2009.

एमएलए उद्धरण

Pugel, Thomas A. International Economics. New York: McGraw-Hill/Irwin, 2009.