APA aipamena

Wariboko, W. E. (1991). New Calabar and the forces of change, ca. 1850-1945.

Chicago Style aipamena

Wariboko, Waibinte Elekima. New Calabar and the Forces of Change, Ca. 1850-1945. 1991.

MLA aipamena

Wariboko, Waibinte Elekima. New Calabar and the Forces of Change, Ca. 1850-1945. 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.