Ray, D. (1998). Development economics. Princeton University Press; Oxford University press.
Lua i Stíl Chicago (17ú heag.)Ray, Debraj. Development Economics. Princeton, N.J. ; New Dhlhi,: Princeton University Press; Oxford University press, 1998.
Lua MLA (8ú heag.)Ray, Debraj. Development Economics. Princeton University Press; Oxford University press, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.