United Nations Development Programme. (1982). Ground-water survey: The hydrogeologic conditions of Bangladesh. United Nations.
Lua i Stíl Chicago (17ú heag.)United Nations Development Programme. Ground-water Survey: The Hydrogeologic Conditions of Bangladesh. New York: United Nations, 1982.
Lua MLA (9ú heag.)United Nations Development Programme. Ground-water Survey: The Hydrogeologic Conditions of Bangladesh. United Nations, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.