Todaro, M. P., & Smith, S. C. (2009). Economic development (10th ed.). Pearson Addison Wesley.
Lua i Stíl Chicago (17ú heag.)Todaro, Michael P., agus Stephen C. Smith. Economic Development. 10th ed. Boston: Pearson Addison Wesley, 2009.
Lua MLA (8ú heag.)Todaro, Michael P., agus Stephen C. Smith. Economic Development. 10th ed. Pearson Addison Wesley, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.