APA-referens (7:e uppl.)

Chen, L., Lu,Yang, & Nanayakkara, A. Rural road connectivity and local economic activity: Evidence from Sri Lanka’s integrated road investment program.

Chicago-referens (17:e uppl.)

Chen, Liming, Lu,Yang, och Aruna Nanayakkara. Rural Road Connectivity and Local Economic Activity: Evidence from Sri Lanka’s Integrated Road Investment Program.

MLA-referens (9:e uppl.)

Chen, Liming, et al. Rural Road Connectivity and Local Economic Activity: Evidence from Sri Lanka’s Integrated Road Investment Program.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.