APA
Bordo M. D., Helbling Thomas F & National Bureau Of Economic Research. (2010). International Business Cycle Synchronization in Historical P. Cambridge: NBER.
Chicago
Bordo Michael D, Helbling Thomas F and National Bureau Of Economic Research. 2010. International Business Cycle Synchronization in Historical P. Cambridge: NBER.
Harvard
Bordo M. D., Helbling Thomas F and National Bureau Of Economic Research. (2010). International Business Cycle Synchronization in Historical P. Cambridge: NBER.
MLA
Bordo Michael D, Helbling Thomas F and National Bureau Of Economic Research. International Business Cycle Synchronization in Historical P. Cambridge: NBER. 2010.
