"Profile:
Mercosur -- Common Market Of The South,"
BBC News, December 15, 2006.
"Country Profile: Bolivia,"
BBC News, February 7, 2007.
"Timeline: Bolivia," BBC News, February 7, 2007.
"Country Profile: Peru,"
BBC News, February 7, 2007.
"Timeline: Peru," BBC News, February 7, 2007.
