Pakistan. Federal Bureau of Statistics. (1981). News letter. The Bureau.
Lua i Stíl Chicago (17ú heag.)Pakistan. Federal Bureau of Statistics. News Letter. Karachi, Pakistan: The Bureau, 1981.
Lua MLA (8ú heag.)Pakistan. Federal Bureau of Statistics. News Letter. The Bureau, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.