APA
Brown J., National Bureau of Economic Research, Fang C. & Gomes F. (2012). Risk and returns to education. Cambridge: NBER.
Chicago
Brown Jeffrey, National Bureau of Economic Research, Fang Chichun and Gomes Francisco. 2012. Risk and returns to education. Cambridge: NBER.
Harvard
Brown J., National Bureau of Economic Research, Fang C. and Gomes F. (2012). Risk and returns to education. Cambridge: NBER.
MLA
Brown Jeffrey, National Bureau of Economic Research, Fang Chichun and Gomes Francisco. Risk and returns to education. Cambridge: NBER. 2012.