edited by Andrew Karvonen, Federico Cugurullo and Federico Caprotti
Routledge, Taylor & Francis Group, 2019
Buku Teks
Komninos, Nicos
Spon Press, 2002
Buku Teks SO
Greenhalgh, Christine.
Princeton University Press, 2009
Buku Teks
edited by F. Stuart Chapin and Shirley F. Weiss
John Wiley & Sons, 1962
Buku Teks
United Nations
United Nations, 1987
Buku Teks