APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.