Ball, Alan R.
Modern politics and government
Macmillan, 1974
 Buku Teks
Ideology and politics in twentieth century China / edited by King-yuh Chang
Institute of International Relations, National Chengchi University, 1988
 Buku Teks
Roelofs, H. Mark
The language of modern politics: an introduction to the study of government
The Dorsey press, 1968
 Buku Teks
Brecht, Arnold
Political theory: the foundations of twentieth-century political thought
Princenton University Press, 1968
 Buku Teks
Crockatt, Richard
Einstein and twentieth-century politics: a salutary moral influence
Oxford University Press, 2016
 eBooks