Todaro, M. P., & Smith, S. C. (2003). Economic development (8th ed.). Pearson Educaton Asia.
Lua i Stíl Chicago (17ú heag.)Todaro, Michael P., agus Stephen C. Smith. Economic Development. 8th ed. Boston ; New Delhi: Pearson Educaton Asia, 2003.
Lua MLA (8ú heag.)Todaro, Michael P., agus Stephen C. Smith. Economic Development. 8th ed. Pearson Educaton Asia, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.