APA引文

Davis, D. (1996). The Heckscher-Ohlin-Vanek model of trade: Why does it fail? when does it workn. National Bureau of Economics.

Chicago Style (17th ed.) Citation

Davis, D.R. The Heckscher-Ohlin-Vanek Model of Trade: Why Does It Fail? When Does It Workn. Cambridge: National Bureau of Economics, 1996.

MLA引文

Davis, D.R. The Heckscher-Ohlin-Vanek Model of Trade: Why Does It Fail? When Does It Workn. National Bureau of Economics, 1996.