“The Case for English as the Official Language of the United States”

Here are the sources to use in the paper. Argue that English should be the United State official language. 
Crystal, D. (2003). English as a global language (2nd ed.). Cambridge University Press.
DiChiara, M. (1997). A modern day myth: the necessity of English as the official 
language. Boston College Third World Law Journal, 17(1), 101.
Katcher, S. (1980). Why Not English as a First Language? The Clearing House, 54(3), 120–123.
http://www.jstor.org/stable/30185420
Lee, T. J. (1997). How Can There Be Free Speech If It’s Only in English? The Debate over Language 
Rights. Human Rights, 24(2), 10–17. http://www.jstor.org/stable/27880033