unknown. (2020). CAUSES OF DISPUTES AND RESOLUTION SYSTEMS IN GOVERNMENT BUILDING MAINTENANCE PROJECTS IN SAUDI ARABIA.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)unknown. CAUSES OF DISPUTES AND RESOLUTION SYSTEMS IN GOVERNMENT BUILDING MAINTENANCE PROJECTS IN SAUDI ARABIA. 2020.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)unknown. CAUSES OF DISPUTES AND RESOLUTION SYSTEMS IN GOVERNMENT BUILDING MAINTENANCE PROJECTS IN SAUDI ARABIA. 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.