"Angola." Junior Worldmark Encyclopedia of World Cultures. The Gale Group, Inc. 1999. Encyclopedia.com. 8 Dec. 2009 <http://www.encyclopedia.com>.
"Angola." Junior Worldmark Encyclopedia of World Cultures. The Gale Group, Inc. 1999. Encyclopedia.com. (December 8, 2009). http://www.encyclopedia.com/doc/1G2-3435900020.html
"Angola." Junior Worldmark Encyclopedia of World Cultures. The Gale Group, Inc. 1999. Retrieved December 08, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1G2-3435900020.html