APA
Helland E. e. a., National Bureau of Economic Research, . (2016). Self-insuring against liability risk. Cambridge: NBER.
Chicago
Helland Eric et al, National Bureau of Economic Research, . 2016. Self-insuring against liability risk. Cambridge: NBER.
Harvard
Helland E. e. a., National Bureau of Economic Research, . (2016). Self-insuring against liability risk. Cambridge: NBER.
MLA
Helland Eric et al, National Bureau of Economic Research, . Self-insuring against liability risk. Cambridge: NBER. 2016.