Chen, L., Lu,Yang, & Nanayakkara, A. Rural road connectivity and local economic activity: Evidence from Sri Lanka’s integrated road investment program.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chen, Liming, Lu,Yang, و Aruna Nanayakkara. Rural Road Connectivity and Local Economic Activity: Evidence from Sri Lanka’s Integrated Road Investment Program.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Chen, Liming, et al. Rural Road Connectivity and Local Economic Activity: Evidence from Sri Lanka’s Integrated Road Investment Program.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.