Magstadt, Thomas M.
Understanding politics : ideas, institutions, and issues
Wadsworth-Cengage learning, 2009
 Buku Teks
Western civilization : ideas, politics & society
Houghton Mifflin, 1985
 Buku Teks
Magstadt, Thomas M.
Understanding politics : ideas, institutions, and issues
Cengage Learning, 2017
 Buku Teks
Magstadt, Thomas M.
Understanding politics : ideas, institutions, and issues
Wadsworth and Cengage Learning, 2013
 Buku Teks
Brinton, Crane, 1898-1968
The shaping of the modern mind: the concluding half of ideas and men
The New American Library, 1958
 Buku Teks