Clark, Romy, author
Routledge, 1997
Buku Teks
McLaren, John, author
Cambridge University Press, 1996
Buku Teks
edited by Arend Lijphart
Allyn and Bacon, 1966
Buku Teks
Princeton University Press, 2007
Buku Teks
guest-edited by Leon van Schaik with photography by Peter Lyssiotis
Wiley-Academy, 2002
Buku Teks