edited by Charles Webel and Jorgen Johansen
Routledge, 2012
Buku Teks
Steinby, Torsten, author
Government, 1971
Buku Teks
Hyug, Baeg Im, author
Seoul National University Press, 2017
Buku Teks
Loekito Santoso
Pustaka Sinar Harapan, 1996
Buku Teks
Smith, Kelvin, author
Facet Publishing, 2004
Buku Teks