Dyfyniad APA

Gallup, J. L., Gaviria, A., & Lora, E. (2003). Is geography destiny?: Lessons from Latin America. Stanford University Press ; World Bank.

Dyfyniad Arddull Chicago

Gallup, John Luke, Alejandro Gaviria, and Eduardo Lora. Is Geography Destiny?: Lessons from Latin America. Palo Alto, Calif. : Washington, DC: Stanford University Press ; World Bank, 2003.

Dyfyniad MLA

Gallup, John Luke, et al. Is Geography Destiny?: Lessons from Latin America. Stanford University Press ; World Bank, 2003.

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