APA
Ahn T., National Bureau of Economic Research & Vigdor J. (2014). The Impact of no child left behind`s accountability sanction on school performance regression discontinuity evidence from North Carolina. Cambridge: NBER.
Chicago
Ahn Thomas, National Bureau of Economic Research and Vigdor Jacob. 2014. The Impact of no child left behind`s accountability sanction on school performance regression discontinuity evidence from North Carolina. Cambridge: NBER.
Harvard
Ahn T., National Bureau of Economic Research and Vigdor J. (2014). The Impact of no child left behind`s accountability sanction on school performance regression discontinuity evidence from North Carolina. Cambridge: NBER.
MLA
Ahn Thomas, National Bureau of Economic Research and Vigdor Jacob. The Impact of no child left behind`s accountability sanction on school performance regression discontinuity evidence from North Carolina. Cambridge: NBER. 2014.