Simpson, E. S. (1987). The developing world: An introduction. Longman.
Lua i Stíl Chicago (17ú heag.)Simpson, E. S. The Developing World: An Introduction. New York: Longman, 1987.
Lua MLA (9ú heag.)Simpson, E. S. The Developing World: An Introduction. Longman, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.