Ngong, D. T. (2010). The Holy Spirit and salvation in African Christian theology: Imagining a more hopeful future for Africa. Peter Lang.
Lua i Stíl Chicago (17ú heag.)Ngong, David Tonghou. The Holy Spirit and Salvation in African Christian Theology: Imagining a More Hopeful Future for Africa. New York: Peter Lang, 2010.
Lua MLA (9ú heag.)Ngong, David Tonghou. The Holy Spirit and Salvation in African Christian Theology: Imagining a More Hopeful Future for Africa. Peter Lang, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.