توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Elwali, B. E. A. R. (2005). The migration of inorganic contaminants from landfill sites into the soil and groundwater systems. Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Elwali, Bahaa-Eldin Elwali Abdel Rahim. The Migration of Inorganic Contaminants from Landfill Sites into the Soil and Groundwater Systems. Bangi: Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia, 2005.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Elwali, Bahaa-Eldin Elwali Abdel Rahim. The Migration of Inorganic Contaminants from Landfill Sites into the Soil and Groundwater Systems. Fakulti Sains Dan Teknologi, Universiti Kebangsaan Malaysia, 2005.