Não informado. (1938). Balance of Payments Yearbook. International Monetary Fund.
Lua i Stíl Chicago (17ú heag.)Não informado. Balance of Payments Yearbook. Washington: International Monetary Fund, 1938.
Lua MLA (8ú heag.)Não informado. Balance of Payments Yearbook. International Monetary Fund, 1938.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.