APA
Ethier W. J., Elhanan Helpman & J. Peter Neary. (1993). Theory, policy and dynamics in international trade. New York: Cambridge University Press.
Chicago
Ethier Wilfred J, Elhanan Helpman and J. Peter Neary. 1993. Theory, policy and dynamics in international trade. New York: Cambridge University Press.
Harvard
Ethier W. J., Elhanan Helpman and J. Peter Neary. (1993). Theory, policy and dynamics in international trade. New York: Cambridge University Press.
MLA
Ethier Wilfred J, Elhanan Helpman and J. Peter Neary. Theory, policy and dynamics in international trade. New York: Cambridge University Press. 1993.