Isichei, A. O. (2014). Vegetation. Nigerian Environmental Study/Action Team.
Lua i Stíl Chicago (17ú heag.)Isichei, A. O. Vegetation. Nigerian Environmental Study/Action Team, 2014.
Lua MLA (9ú heag.)Isichei, A. O. Vegetation. Nigerian Environmental Study/Action Team, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.