APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.