APA
Hufbauer Gary, Suominen Kati, . (2012). The economics of free trade Vol. I. London: Edward Elgar.
Chicago
Hufbauer Gary, Suominen Kati, . 2012. The economics of free trade Vol. I. London: Edward Elgar.
Harvard
Hufbauer Gary, Suominen Kati, . (2012). The economics of free trade Vol. I. London: Edward Elgar.
MLA
Hufbauer Gary, Suominen Kati, . The economics of free trade Vol. I. London: Edward Elgar. 2012.