Wariboko, W. E. (1991). New Calabar and the forces of change, ca. 1850-1945.
Lua i Stíl Chicago (17ú heag.)Wariboko, Waibinte Elekima. New Calabar and the Forces of Change, Ca. 1850-1945. 1991.
Lua MLA (8ú heag.)Wariboko, Waibinte Elekima. New Calabar and the Forces of Change, Ca. 1850-1945. 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.