Nikolaos Tzifakis, editor
[Springer, ], 2012
eBooks
Giddens, Anthony, author
Polity , 2009
Buku Teks
Joseph Maier, Richard W.Weatherhead
F. A. Praeger, 1964
Buku Teks
Aitkin, Donald Alexander, author
Australian National University Press, 1982
Buku Teks
Routledge , 1996
Buku Teks