APA
Vermulst E. (., Waer P. (. & Bourgeois J. (. (1994). Rules of origin in international trade: A comparative study. Ann Arbor: Uni of Michigan Pr.
Chicago
Vermulst Edwin (ed), Waer Paul (ed) and Bourgeois Jacques (ed). 1994. Rules of origin in international trade: A comparative study. Ann Arbor: Uni of Michigan Pr.
Harvard
Vermulst E. (., Waer P. (. and Bourgeois J. (. (1994). Rules of origin in international trade: A comparative study. Ann Arbor: Uni of Michigan Pr.
MLA
Vermulst Edwin (ed), Waer Paul (ed) and Bourgeois Jacques (ed). Rules of origin in international trade: A comparative study. Ann Arbor: Uni of Michigan Pr. 1994.