Todaro Michael p / Smith Stephen C. (2015). Economic Development (12.). Pearson.
Lua i Stíl Chicago (17ú heag.)Todaro Michael p / Smith Stephen C. Economic Development. 12. Pearson, 2015.
Lua MLA (9ú heag.)Todaro Michael p / Smith Stephen C. Economic Development. 12. Pearson, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.