Awolowo, O. (1977). The problems of Africa: The need for ideological reappraisal. Macmillan.
Lua i Stíl Chicago (17ú heag.)Awolowo, Obafemi. The Problems of Africa: The Need for Ideological Reappraisal. London: Macmillan, 1977.
Lua MLA (8ú heag.)Awolowo, Obafemi. The Problems of Africa: The Need for Ideological Reappraisal. Macmillan, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.