APA引文

(1969). Surveys of African economies: Cameroon, Central African Republic, Chad, Congo (Brazzaville), and Gabon. Washington.

Trích dẫn kiểu Chicago

Surveys of African Economies: Cameroon, Central African Republic, Chad, Congo (Brazzaville), and Gabon. Washington, 1969.

MLA引文

Surveys of African Economies: Cameroon, Central African Republic, Chad, Congo (Brazzaville), and Gabon. Washington, 1969.

警告：这些引文格式不一定是100％准确.