APA
Bartram S. M., Stulz Rene M, Brown Gregory & National Bureau Of Economic Research. (2009). Why do foreign firms have less idiosyncratic risk than U.S. Cambridge: NBER.
Chicago
Bartram Sohnke M, Stulz Rene M, Brown Gregory and National Bureau Of Economic Research. 2009. Why do foreign firms have less idiosyncratic risk than U.S. Cambridge: NBER.
Harvard
Bartram S. M., Stulz Rene M, Brown Gregory and National Bureau Of Economic Research. (2009). Why do foreign firms have less idiosyncratic risk than U.S. Cambridge: NBER.
MLA
Bartram Sohnke M, Stulz Rene M, Brown Gregory and National Bureau Of Economic Research. Why do foreign firms have less idiosyncratic risk than U.S. Cambridge: NBER. 2009.