APA
Soest A. v. e. a., National Bureau of Economic Research, . (2011). Self reported disability and teference groups. Cambridge: NBER.
Chicago
Soest Arthur van et al, National Bureau of Economic Research, . 2011. Self reported disability and teference groups. Cambridge: NBER.
Harvard
Soest A. v. e. a., National Bureau of Economic Research, . (2011). Self reported disability and teference groups. Cambridge: NBER.
MLA
Soest Arthur van et al, National Bureau of Economic Research, . Self reported disability and teference groups. Cambridge: NBER. 2011.