Fogg, Kevin W., author
Cambridge University Press, 2020
eBooks
Panah, Maryam
Pluto Press, 2007
Buku Teks
Arendt, Hannah, 1906-1975, author
Penguin, 1965
Buku Teks
Laski, Harold J., author
George Allen and Unwin, 1946
Buku Teks
Brinton, Crane, 1898-1968, author
Prentice-Hall, 1952
Buku Teks