(2012). SUSTAINABLE environmental management in Nigeria. Book Builders.
Lua i Stíl Chicago (17ú heag.)SUSTAINABLE Environmental Management in Nigeria. Book Builders, 2012.
Lua MLA (9ú heag.)SUSTAINABLE Environmental Management in Nigeria. Book Builders, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.