Asagha, R. B. (2009). Logotherapy: Issues from an African perspective. University Press Plc.
Lua i Stíl Chicago (17ú heag.)Asagha, Rachel B. Logotherapy: Issues from an African Perspective. Ibada: University Press Plc, 2009.
Lua MLA (9ú heag.)Asagha, Rachel B. Logotherapy: Issues from an African Perspective. University Press Plc, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.