Bohlam, C. (2000). The uncle sam activity book: Language development handouts to teach U.S. history and government. Lincolnwood ( Illinois ): Contemporacy Books.
Trích dẫn kiểu ChicagoBohlam, Carolyn. The Uncle Sam Activity Book: Language Development Handouts to Teach U.S. History and Government. Lincolnwood ( Illinois ): Contemporacy Books, 2000.
Trích dẫn MLABohlam, Carolyn. The Uncle Sam Activity Book: Language Development Handouts to Teach U.S. History and Government. Lincolnwood ( Illinois ): Contemporacy Books, 2000.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.