APA
Aghion P., Helpman Elhanan, Antras Pol & National Bureau Of Economic Research. (2004). Negotiating free trade. Cambridge, MA: NBER.
Chicago
Aghion Phillipe, Helpman Elhanan, Antras Pol and National Bureau Of Economic Research. 2004. Negotiating free trade. Cambridge, MA: NBER.
Harvard
Aghion P., Helpman Elhanan, Antras Pol and National Bureau Of Economic Research. (2004). Negotiating free trade. Cambridge, MA: NBER.
MLA
Aghion Phillipe, Helpman Elhanan, Antras Pol and National Bureau Of Economic Research. Negotiating free trade. Cambridge, MA: NBER. 2004.
TextSeries: NBER working papersPublication details: Cambridge, MA NBER 2004Description: 40pISBN: 
Working Papers (Print)
