Fall, Bernard B.
Frederick A. Praeger , 1966
Buku Teks SO
Van Arkadie, Brian
Asia Pacific Press at the National Library of Australia, 2004
Buku Teks SO
Barnett, Arthur Doak
Frederick A. Praeger, 1963
Buku Teks SO
editor, Sunardi
Awab Print, 2007
Buku Teks SO
Chat, Le Van
Foreign Languagea Publishing House, 1962
Buku Teks SO