Abdel Fattah, T. A. (1984). Combination of electrical resistivity and seismic refraction measurements for groundwater exploration. Universität Kiel.
Lua i Stíl Chicago (17ú heag.)Abdel Fattah, Tharwat Ahmed. Combination of Electrical Resistivity and Seismic Refraction Measurements for Groundwater Exploration. Germany: Universität Kiel, 1984.
Lua MLA (8ú heag.)Abdel Fattah, Tharwat Ahmed. Combination of Electrical Resistivity and Seismic Refraction Measurements for Groundwater Exploration. Universität Kiel, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.