Dobbs-Higginson, Michael S., author
Longman, 1993
Buku Teks
Leifer, Michael, author
London Routledge 2001,
Buku Referensi
Katznelson, Ira, author
Liveright, 2013
Buku Teks
Root, Hilton L
Asian Development Bank by Oxford University Press, 1996
Buku Teks
MacIntosh, Malcolm
Frances Printer Pub., 1986
Buku Teks