APA
Chatterjee S., Cooper R W & National Bureau Of Economic Research. (1993). Entry And Exit, Product Variety And The Business Cycle. Cambridge, MA: NBER.
Chicago
Chatterjee S, Cooper R W and National Bureau Of Economic Research. 1993. Entry And Exit, Product Variety And The Business Cycle. Cambridge, MA: NBER.
Harvard
Chatterjee S., Cooper R W and National Bureau Of Economic Research. (1993). Entry And Exit, Product Variety And The Business Cycle. Cambridge, MA: NBER.
MLA
Chatterjee S, Cooper R W and National Bureau Of Economic Research. Entry And Exit, Product Variety And The Business Cycle. Cambridge, MA: NBER. 1993.