APA
Simcoe T., National Bureau of Economic Research & Toffel M. W. (2012). Public procurement and the private supply of green buildings. Cambridge: NBER.
Chicago
Simcoe Timothy, National Bureau of Economic Research and Toffel Michael W. 2012. Public procurement and the private supply of green buildings. Cambridge: NBER.
Harvard
Simcoe T., National Bureau of Economic Research and Toffel M. W. (2012). Public procurement and the private supply of green buildings. Cambridge: NBER.
MLA
Simcoe Timothy, National Bureau of Economic Research and Toffel Michael W. Public procurement and the private supply of green buildings. Cambridge: NBER. 2012.