Não informado. (1963). Rhodesian journal of agricultural research. Agricultural Research Council of Central Africa.
Lua i Stíl Chicago (17ú heag.)Não informado. Rhodesian Journal of Agricultural Research. Salisbury, Zimbabwe: Agricultural Research Council of Central Africa, 1963.
Lua MLA (8ú heag.)Não informado. Rhodesian Journal of Agricultural Research. Agricultural Research Council of Central Africa, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.