APA
Han S., Mulligan Casey B & National Bureau Of Economic Research. (2000). Human capital, heterogeneity, and estimated degrees of intergenerational mobility. Cambridge, MA: NBER.
Chicago
Han Song, Mulligan Casey B and National Bureau Of Economic Research. 2000. Human capital, heterogeneity, and estimated degrees of intergenerational mobility. Cambridge, MA: NBER.
Harvard
Han S., Mulligan Casey B and National Bureau Of Economic Research. (2000). Human capital, heterogeneity, and estimated degrees of intergenerational mobility. Cambridge, MA: NBER.
MLA
Han Song, Mulligan Casey B and National Bureau Of Economic Research. Human capital, heterogeneity, and estimated degrees of intergenerational mobility. Cambridge, MA: NBER. 2000.