APA引文

Onyefulu, I., 1940- 1950- 1963- 1951- 1953-, & 1950- 1963-. (1995). Emeka's gift: An African counting story. New York: Cobblehill Books.

Trích dẫn kiểu Chicago

Onyefulu, Ifeoma., 1940- 1950- 1963- 1951- 1953-, và 1950- 1963-. Emeka's Gift: An African Counting Story. New York: Cobblehill Books, 1995.

MLA引文

Onyefulu, Ifeoma., 1940- 1950- 1963- 1951- 1953-, và 1950- 1963-. Emeka's Gift: An African Counting Story. New York: Cobblehill Books, 1995.

警告：这些引文格式不一定是100％准确.