Não informado. (1995). African Plant Protection. Agricultural Research Council.
Lua i Stíl Chicago (17ú heag.)Não informado. African Plant Protection. Arcadia, Africa do Sul: Agricultural Research Council, 1995.
Lua MLA (8ú heag.)Não informado. African Plant Protection. Agricultural Research Council, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.