Currey, D. T. (1973). Additional geomorphic, geological and groundwater studies in the Awash Valley: Report. FAO.
Lua i Stíl Chicago (17ú heag.)Currey, D. T. Additional Geomorphic, Geological and Groundwater Studies in the Awash Valley: Report. [Rome?: FAO, 1973.
Lua MLA (8ú heag.)Currey, D. T. Additional Geomorphic, Geological and Groundwater Studies in the Awash Valley: Report. FAO, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.