APA
Davis L. W., National Bureau of Economic Research & Wolfram C. (2011). Deregulation, consolidation, and efficiency. Cambridge: NBER.
Chicago
Davis Lucas W, National Bureau of Economic Research and Wolfram Catherine. 2011. Deregulation, consolidation, and efficiency. Cambridge: NBER.
Harvard
Davis L. W., National Bureau of Economic Research and Wolfram C. (2011). Deregulation, consolidation, and efficiency. Cambridge: NBER.
MLA
Davis Lucas W, National Bureau of Economic Research and Wolfram Catherine. Deregulation, consolidation, and efficiency. Cambridge: NBER. 2011.