Todaro, M. P. (1994). Economic development (5th ed.). Longman.
Lua i Stíl Chicago (17ú heag.)Todaro, Michael P. Economic Development. 5th ed. New York: Longman, 1994.
Lua MLA (9ú heag.)Todaro, Michael P. Economic Development. 5th ed. Longman, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.