editors Shosuke Susuki, Richard J. Borden, Luc Hens
VUB-Press, 1991
Buku Teks
Leathley, Christian, author
Kluwer, 2007
Buku Teks
M. Mossadeq Bahri, author
Lembaga Penelitian Universitas Indonesia, 2004
Artikel Jurnal
Forsythe, David P., 1941-, author
Cambridge University Press, 2000
Buku Teks
Forsythe, David P., 1941-, author
Cambridge University Press, 2012
Buku Teks