APA
Bond T. N., National Bureau of Economic Research & Lang K. (2012). The Evolution of the black-white test score gap in grades K-3. Cambridge: NBER.
Chicago
Bond Timothy N, National Bureau of Economic Research and Lang Kevin. 2012. The Evolution of the black-white test score gap in grades K-3. Cambridge: NBER.
Harvard
Bond T. N., National Bureau of Economic Research and Lang K. (2012). The Evolution of the black-white test score gap in grades K-3. Cambridge: NBER.
MLA
Bond Timothy N, National Bureau of Economic Research and Lang Kevin. The Evolution of the black-white test score gap in grades K-3. Cambridge: NBER. 2012.