APA
Kahn M. E., National Bureau of Economic Research & Barron K. (2015). The Political economy of state and local investment in pre-k programs. Cambridge: NBER.
Chicago
Kahn Matthew E, National Bureau of Economic Research and Barron Kyle. 2015. The Political economy of state and local investment in pre-k programs. Cambridge: NBER.
Harvard
Kahn M. E., National Bureau of Economic Research and Barron K. (2015). The Political economy of state and local investment in pre-k programs. Cambridge: NBER.
MLA
Kahn Matthew E, National Bureau of Economic Research and Barron Kyle. The Political economy of state and local investment in pre-k programs. Cambridge: NBER. 2015.