Dyfyniad APA

Krugman, P. (1991). Trade with Japan has the opened wider? Chicago: The University of Chicago Press.

Dyfyniad Arddull Chicago

Krugman, Paul. Trade With Japan Has the Opened Wider? Chicago: The University of Chicago Press, 1991.

Dyfyniad MLA

Krugman, Paul. Trade With Japan Has the Opened Wider? Chicago: The University of Chicago Press, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.