Al-Ghamdi, A. A., & unknown. (2001). Evaluation of the construction equipment replacement policies of construction contractors in the Eastern Province of Saudi Arabia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Ghamdi, Ahmed Ali, و unknown. Evaluation of the Construction Equipment Replacement Policies of Construction Contractors in the Eastern Province of Saudi Arabia. 2001.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Al-Ghamdi, Ahmed Ali, و unknown. Evaluation of the Construction Equipment Replacement Policies of Construction Contractors in the Eastern Province of Saudi Arabia. 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.