Não informado. (1977). Government Finance Statistics Yearbook. International Monetary Fund.
Lua i Stíl Chicago (17ú heag.)Não informado. Government Finance Statistics Yearbook. Washington: International Monetary Fund, 1977.
Lua MLA (8ú heag.)Não informado. Government Finance Statistics Yearbook. International Monetary Fund, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.