APA
Graham B. S., National Bureau Of Economic Research, . (2008). Efficient Estimation of Missing Data Models Using Moment Con. Cambridge: NBER.
Chicago
Graham Bryan S, National Bureau Of Economic Research, . 2008. Efficient Estimation of Missing Data Models Using Moment Con. Cambridge: NBER.
Harvard
Graham B. S., National Bureau Of Economic Research, . (2008). Efficient Estimation of Missing Data Models Using Moment Con. Cambridge: NBER.
MLA
Graham Bryan S, National Bureau Of Economic Research, . Efficient Estimation of Missing Data Models Using Moment Con. Cambridge: NBER. 2008.
