University of Arizona. Arid Lands Natural Resources Committee. (1979). Appraisal of the natural resource and economic situation of the province of Zinder, Niger. Arid Lands Natural Resources Committee, University of Arizona.
Lua i Stíl Chicago (17ú heag.)University of Arizona. Arid Lands Natural Resources Committee. Appraisal of the Natural Resource and Economic Situation of the Province of Zinder, Niger. Tucson, Arizona: Arid Lands Natural Resources Committee, University of Arizona, 1979.
Lua MLA (8ú heag.)University of Arizona. Arid Lands Natural Resources Committee. Appraisal of the Natural Resource and Economic Situation of the Province of Zinder, Niger. Arid Lands Natural Resources Committee, University of Arizona, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.