APA
Beshears J. e. a., National Bureau of Economic Research, . (2015). Liquidity in retirement savings systems. Cambridge: NBER.
Chicago
Beshears John et al, National Bureau of Economic Research, . 2015. Liquidity in retirement savings systems. Cambridge: NBER.
Harvard
Beshears J. e. a., National Bureau of Economic Research, . (2015). Liquidity in retirement savings systems. Cambridge: NBER.
MLA
Beshears John et al, National Bureau of Economic Research, . Liquidity in retirement savings systems. Cambridge: NBER. 2015.