Não informado. (1940). Cocoa Market Report. Gill and Duffus Group.
Lua i Stíl Chicago (17ú heag.)Não informado. Cocoa Market Report. London: Gill and Duffus Group, 1940.
Lua MLA (8ú heag.)Não informado. Cocoa Market Report. Gill and Duffus Group, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.