Hamad, A., Al Zubaidy, E., Aidan, A., Hadaki, T., El-Kareh4, N., & unknown. (2020). USED OIL RECYCLING AND TREATMENT IN THE UNITED ARAB EMIRATES ECONOMICAL AND ENVIRONMENTAL ASSESSMENTS.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hamad, Ahmad, Essam Al Zubaidy, Ahmed Aidan, Talha Hadaki, Nasri El-Kareh4, و unknown. USED OIL RECYCLING AND TREATMENT IN THE UNITED ARAB EMIRATES ECONOMICAL AND ENVIRONMENTAL ASSESSMENTS. 2020.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Hamad, Ahmad, et al. USED OIL RECYCLING AND TREATMENT IN THE UNITED ARAB EMIRATES ECONOMICAL AND ENVIRONMENTAL ASSESSMENTS. 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.