McCarthy, E. Doyle, author
Routledge, 1996
Buku Teks
Mannheim, Karl, author
Routledge & Kegan, 1951
Buku Teks SO
Mannheim, Karl, author
Harcourt, Brace, 1954
Buku Teks
Kerr, Donna H.
Westview Press, 1984
Buku Teks
Burke, Peter, author
Polity Press, 2016
Buku Teks SO