Gill, Graeme
Cambridge University Press, 2015
Buku Teks
edited by Barnett R. Rubin and Jack Snyder
Routledge, 1998
Buku Teks
Gans-Morse, Jordan
Cambridge University Press, 2017
Buku Teks
Reuter, Ora John
Cambridge University Press, 2017
Buku Teks
Dallin, David J.
Yale University Press, 1956
Buku Teks