Columbia University Press, 1981
Buku Teks
Joseph, Sarah, author
Oxford University Press, 2014
Buku Teks
edited by Alice H. Henkin
Aspen Institute for Humanistic Studies, 1979
Buku Teks
Henkin, Louis, author
USIS, 1991
Buku Teks
Peters, Anne, author
Cambridge University Press, 2016
eBooks