Otabil, M. (1992). Beyond the rivers of Ethiopia. Altar International.
Lua i Stíl Chicago (17ú heag.)Otabil, Mensa. Beyond the Rivers of Ethiopia. Accra: Altar International, 1992.
Lua MLA (9ú heag.)Otabil, Mensa. Beyond the Rivers of Ethiopia. Altar International, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.