एपीए उद्धरण

Krugman, P. (1991). Trade with Japan. Chicago: The University of Chicago.

शिकागो स्टाइल उद्धरण

Krugman, Paul. Trade With Japan. Chicago: The University of Chicago, 1991.

एमएलए उद्धरण

Krugman, Paul. Trade With Japan. Chicago: The University of Chicago, 1991.