Ministry of Foreign Affair, 1971
Buku Teks
edited by Tinatin Bocorivili; Sweet William; Daniel Ahern
Council for Research in Values and Philosophy, 2005
Buku Teks SO
Rosati, Jerel A., 1953-
Thomson, 2004
Buku Teks
Rosati, Jerel A., 1953-
Wadsworth, 2007
Buku Teks
League of Women Voters of the United States 1961, 1962
Buku Teks