APA引文

(1971). Joint ecnomic committee congress of the United States. New York.

Trích dẫn kiểu Chicago

Joint Ecnomic Committee Congress of the United States. New York, 1971.

MLA引文

Joint Ecnomic Committee Congress of the United States. New York, 1971.

警告：这些引文格式不一定是100％准确.