Emenanjo. A Grammar of Contemporary Igbo. M & J Grand Orbit Communications.
Lua i Stíl Chicago (17ú heag.)Emenanjo. A Grammar of Contemporary Igbo. M & J Grand Orbit Communications.
Lua MLA (9ú heag.)Emenanjo. A Grammar of Contemporary Igbo. M & J Grand Orbit Communications.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.