Morel, E. D. (1911). Nigeria: Its peoples and its problems. Smith, Elder.
Lua i Stíl Chicago (17ú heag.)Morel, E. D. Nigeria: Its Peoples and Its Problems. London: Smith, Elder, 1911.
Lua MLA (8ú heag.)Morel, E. D. Nigeria: Its Peoples and Its Problems. Smith, Elder, 1911.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.