APA ציטוט

Onyefulu, I., & Ifeoma Onyefulu. (1995). Emek: An African counting story. New York: Cobblehill Books.

Trích dẫn kiểu Chicago

Onyefulu, Ifeoma, và Ifeoma Onyefulu. Emek: An African Counting Story. New York: Cobblehill Books, 1995.

ציטוט MLA

Onyefulu, Ifeoma, và Ifeoma Onyefulu. Emek: An African Counting Story. New York: Cobblehill Books, 1995.