(2000). U. S. Academic explorer: A guide to higher education in the United States. The United States Information Agency.
Trích dẫn kiểu ChicagoU. S. Academic Explorer: A Guide to Higher Education in the United States. The United States Information Agency, 2000.
MLA引文U. S. Academic Explorer: A Guide to Higher Education in the United States. The United States Information Agency, 2000.
警告:这些引文格式不一定是100%准确.