APA引文

United States Information Agency. Forum: The English Teaching Forum. Washington D.C.: United States Information Agency: 199..

Trích dẫn kiểu Chicago

United States Information Agency. Forum: The English Teaching Forum. Washington D.C.: United States Information Agency: 199..

MLA引文

United States Information Agency. Forum: The English Teaching Forum. Washington D.C.: United States Information Agency: 199..

警告：这些引文格式不一定是100％准确.