APA
Tang N., National Bureau Of Economic Research, . (2009). The efficiency of sponsor and participant portfolio choices. Cambridge: NBER.
Chicago
Tang Ning, National Bureau Of Economic Research, . 2009. The efficiency of sponsor and participant portfolio choices. Cambridge: NBER.
Harvard
Tang N., National Bureau Of Economic Research, . (2009). The efficiency of sponsor and participant portfolio choices. Cambridge: NBER.
MLA
Tang Ning, National Bureau Of Economic Research, . The efficiency of sponsor and participant portfolio choices. Cambridge: NBER. 2009.