Tohutoro APA (7th ed.)

Sheffield, J., & Wood, E. F. (2011). Drought: Past problems and future scenarios. Earthscan.

Tohutoru Kātū Chicago (17th ed.)

Sheffield, Justin, me Eric F. Wood. Drought: Past Problems and Future Scenarios. London ; Washington, D.C.: Earthscan, 2011.

Tohutoro MLA (9th ed.)

Sheffield, Justin, me Eric F. Wood. Drought: Past Problems and Future Scenarios. Earthscan, 2011.