Não informado. (1980). Zimbabwe journal of agricultural research. Ministry of Lands, Agriculture and Rural Resettlement.
Lua i Stíl Chicago (17ú heag.)Não informado. Zimbabwe Journal of Agricultural Research. Harare: Ministry of Lands, Agriculture and Rural Resettlement, 1980.
Lua MLA (8ú heag.)Não informado. Zimbabwe Journal of Agricultural Research. Ministry of Lands, Agriculture and Rural Resettlement, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.