APA
Sykes Alan O,, . (2013). Economics of international trade law Vo. I. London: Edward Elgar.
Chicago
Sykes Alan O,, . 2013. Economics of international trade law Vo. I. London: Edward Elgar.
Harvard
Sykes Alan O,, . (2013). Economics of international trade law Vo. I. London: Edward Elgar.
MLA
Sykes Alan O,, . Economics of international trade law Vo. I. London: Edward Elgar. 2013.