A few references:
Bastardas-Boada (1995). Language Management and Language Behavior Change: Policies and Social Persistence. International Journal of Catalan Culture, 4(2), 14-38.
Donahue, T. (2002). Language Planning and the Perils of Ideological Solipsism. In J. Tollefson (Ed.), Language Policies in Education. Mahwah, NJ: Lawrence Erlbaum.
Hornberger, N. (1998). Language policy, language education, language rights: Indigenous, immigrant, and international perspectives. Language in Society (27), 439-458.
Joseph, J. (2006). The denial of heteroglossia. Excerpt from chapter, The social politics of language choice and linguistic correctness, 44-46. In Language and Politics. Edinburgh: Edinburgh University Press.
Ricento, T. (2006). Language policy: theory and practice – an introduction. In T. Ricento (Ed.), An introduction to language policy: Theory and method, (pp. 10-23).
Skutnabb-Kangas, T. (2008) Human Rights and Language Policy, Encyclopedia of Language & Education.
Schmidt, R. (2000). Language policy and equality: the search for justice. In R. Schmidt, Language policy and identity politics in the United States (pp. 130-162).
Schmidt, R. (2000). Flaws at every turn: a critique of assimilationist, pluralist, and confederationist alternatives. In R. Schmidt, Language policy and identity politics in the United States, (pp. 183-220).
Shohamy, E. (2006). Manipulating language. In E. Shohamy, Language policy: hidden agendas and new approaches (pp. 22-44). New York: Routledge.
Shohamy, E. (2006). Expanding language policy. In E. Shohamy, Language policy: hidden agendas and new approaches (pp. 45-56).
Phillipson, R. (2003). Chapter 5- Towards equitable communication and Chapter 6 – Recommendations for action on language policies. In English-Only Europe? Challenging Language Policy (pp.139-179).
Spolsky, Bernard. (2007). Towards a theory of language policy. Working Papers in Educational Linguistics, 22(1), 1-14
Spolsky, Bernard. (2009). Language Management, Cambridge: Cambridge University Press.
Spolsky, Bernard. (2002). Globalization, language policy, and a philosophy of English language education for the 21st century. English Teaching, 47(4).
Spolsky, Bernard. (2004). Language policy. Cambridge: Cambridge University Press.