Dyfyniad APA

Sachs, J. D., & Warner, A. M. (1995). Natural resource abundance and economic growth. National Bureau of Economic Research.

Dyfyniad Arddull Chicago

Sachs, Jeffrey D., and Andrew M. Warner. Natural Resource Abundance and Economic Growth. Cambridge: National Bureau of Economic Research, 1995.

Dyfyniad MLA

Sachs, Jeffrey D., and Andrew M. Warner. Natural Resource Abundance and Economic Growth. National Bureau of Economic Research, 1995.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.