Achebe, C. (1988). Hopes and impediments: Selected essays 1965-1987. Heinemann.
Lua i Stíl Chicago (17ú heag.)Achebe, Chinua. Hopes and Impediments: Selected Essays 1965-1987. London: Heinemann, 1988.
Lua MLA (9ú heag.)Achebe, Chinua. Hopes and Impediments: Selected Essays 1965-1987. Heinemann, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.