Herod, Andrew
Willey Black well, 2009
Buku Teks
Bhagwati, Jagdish
Oxford University Press, 2004
Buku Teks
edited by Aseem Prakash and Jeffrey A. Hart
Routledge, 1999
Buku Teks
Samuel S. Kim, editor
Cambridge University Press, 2000
Buku Teks
Mandle, Jay R.
Cambridge, 2003
Buku Teks