Ploeg, F., & Poelhekke, S. (2009). Volatility And The Natural Resource Curse. Oxford University Press.
Chicago-čujuhus (17. p.)Ploeg, F., juo S. Poelhekke. Volatility And The Natural Resource Curse. Oxford University Press, 2009.
MLA-čujuhus (9. p.)Ploeg, F., juo S. Poelhekke. Volatility And The Natural Resource Curse. Oxford University Press, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.