Chat, Le Van
Foreign Languagea Publishing House, 1962
Buku Teks
Thompson, Willard Scott, 1942-
University of Queensland Press, 1977
Buku Teks
Souter, Gerry
Andre Deutsch, 2015
Buku Referensi
edited by Walter Capps
Routledge, 1991
Buku Teks
Albright, John
Office of the Chief of Military History United States Army, 1970
Buku Teks