APA
Cortes K., National Bureau of Economic Research, Goodman J. & Nomi T. (2014). Intensive math instruction and educational attainment. Cambridge: NBER.
Chicago
Cortes Kalena, National Bureau of Economic Research, Goodman Joshua and Nomi Takako. 2014. Intensive math instruction and educational attainment. Cambridge: NBER.
Harvard
Cortes K., National Bureau of Economic Research, Goodman J. and Nomi T. (2014). Intensive math instruction and educational attainment. Cambridge: NBER.
MLA
Cortes Kalena, National Bureau of Economic Research, Goodman Joshua and Nomi Takako. Intensive math instruction and educational attainment. Cambridge: NBER. 2014.