Huntington, Samuel P., author
The Belknap Press, 1981
Buku Teks
Harriss, John, author
Left world, 2001
Buku Teks
Anastasiou, Michaelangelo, author
Routledge, 2020
Buku Teks
Tan, Gerald, author
Times Academic Press, 2000
Buku Teks
Sage Publications, 2015
eBooks