APA
Hahn J., Van Der Klaauw Wilbert, Todd Petra & National Bureau Of Economic Research. (1999). Evaluating the effect of an antidiscrimination law using a regression-discontinuity design. Cambridge, MA: NBER.
Chicago
Hahn Jinyong, Van Der Klaauw Wilbert, Todd Petra and National Bureau Of Economic Research. 1999. Evaluating the effect of an antidiscrimination law using a regression-discontinuity design. Cambridge, MA: NBER.
Harvard
Hahn J., Van Der Klaauw Wilbert, Todd Petra and National Bureau Of Economic Research. (1999). Evaluating the effect of an antidiscrimination law using a regression-discontinuity design. Cambridge, MA: NBER.
MLA
Hahn Jinyong, Van Der Klaauw Wilbert, Todd Petra and National Bureau Of Economic Research. Evaluating the effect of an antidiscrimination law using a regression-discontinuity design. Cambridge, MA: NBER. 1999.