APA
Gilchrist S., Williams J. C., . (1998). Putty-clay and investment : a business cycle analysis. Cambridge, Mass: National Bureau of Economic Research.
Chicago
Gilchrist Simon, Williams John C, . 1998. Putty-clay and investment : a business cycle analysis. Cambridge, Mass: National Bureau of Economic Research.
Harvard
Gilchrist S., Williams J. C., . (1998). Putty-clay and investment : a business cycle analysis. Cambridge, Mass: National Bureau of Economic Research.
MLA
Gilchrist Simon, Williams John C, . Putty-clay and investment : a business cycle analysis. Cambridge, Mass: National Bureau of Economic Research. 1998.