Não informado. (1961). Ghana Journal of Science. Ghana Science Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Ghana Journal of Science. Accra: Ghana Science Association, 1961.
Lua MLA (8ú heag.)Não informado. Ghana Journal of Science. Ghana Science Association, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.