Nag, P. (1984). Census mapping survey. Concept publ..
Lua i Stíl Chicago (17ú heag.)Nag, Prithvish. Census Mapping Survey. New Delhi: Concept publ., 1984.
Lua MLA (9ú heag.)Nag, Prithvish. Census Mapping Survey. Concept publ., 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.