Benketaf، H. (2012). Progressive Political Reforms In The United States Of American From 1890 To 1921. مجلة دراسات، ع2 ، 13 - 27. مسترجع من http://search.mandumah.com/Record/1015539
Benketaf، Hafid. "Progressive Political Reforms In The United States Of American From 1890 To 1921." مجلة دراسات ع2 (2012): 13 - 27. مسترجع من http://search.mandumah.com/Record/1015539