APA
Frankel J. A., Wei Shang Jin, Stein Ernesto & National Bureau Of Economic Research. (1996). Regional trading arrangements: Natural or super-natural?. Cambridge, MA: NBER.
Chicago
Frankel Jeffrey A, Wei Shang Jin, Stein Ernesto and National Bureau Of Economic Research. 1996. Regional trading arrangements: Natural or super-natural?. Cambridge, MA: NBER.
Harvard
Frankel J. A., Wei Shang Jin, Stein Ernesto and National Bureau Of Economic Research. (1996). Regional trading arrangements: Natural or super-natural?. Cambridge, MA: NBER.
MLA
Frankel Jeffrey A, Wei Shang Jin, Stein Ernesto and National Bureau Of Economic Research. Regional trading arrangements: Natural or super-natural?. Cambridge, MA: NBER. 1996.