Não informado. (1964). Commodity yearbook statistical abstract service. Commodity Research Bureau.
Lua i Stíl Chicago (17ú heag.)Não informado. Commodity Yearbook Statistical Abstract Service. New York: Commodity Research Bureau, 1964.
Lua MLA (8ú heag.)Não informado. Commodity Yearbook Statistical Abstract Service. Commodity Research Bureau, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.