Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.