Al-Qasmi, A. H. H. (2006). Evaluation on awareness and environmental risk on the use of domestic wastewater for home gardens: A case study in the Muscat governorate the Sultanate of Oman. Pusat Pengajian Siswazah, Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Qasmi, Ahmed Hamood Hamed. Evaluation on Awareness and Environmental Risk on the Use of Domestic Wastewater for Home Gardens: A Case Study in the Muscat Governorate the Sultanate of Oman. Bangi: Pusat Pengajian Siswazah, Universiti Kebangsaan Malaysia, 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Qasmi, Ahmed Hamood Hamed. Evaluation on Awareness and Environmental Risk on the Use of Domestic Wastewater for Home Gardens: A Case Study in the Muscat Governorate the Sultanate of Oman. Pusat Pengajian Siswazah, Universiti Kebangsaan Malaysia, 2006.