Patterson, T. E. (2005). The American democracy. Boston: McGraw-Hill.
Trích dẫn kiểu ChicagoPatterson, Thomas E. The American Democracy. Boston: McGraw-Hill, 2005.
MLA引文Patterson, Thomas E. The American Democracy. Boston: McGraw-Hill, 2005.
警告：这些引文格式不一定是100％准确.