Norton, M. B. (2019). A people and a nation: A history of the United States (11th edition.). USA: Cengage.
Trích dẫn theo kiểu ChicagoNorton, Mary Beth. A People and a Nation: A History of the United States. 11th edition. USA: Cengage, 2019.
Trích dẫn MLANorton, Mary Beth. A People and a Nation: A History of the United States. 11th edition. USA: Cengage, 2019.
Cảnh báo! Những trích dẫn này có thể không chính xác 100%.