APA
Almeida H., National Bureau of Economic Research, Hankins K. W. & Williams R. (2017). Risk management with supply contracts. Cambridge: NBER.
Chicago
Almeida Heitor, National Bureau of Economic Research, Hankins Kristine Watson and Williams Ryan. 2017. Risk management with supply contracts. Cambridge: NBER.
Harvard
Almeida H., National Bureau of Economic Research, Hankins K. W. and Williams R. (2017). Risk management with supply contracts. Cambridge: NBER.
MLA
Almeida Heitor, National Bureau of Economic Research, Hankins Kristine Watson and Williams Ryan. Risk management with supply contracts. Cambridge: NBER. 2017.