Tollefson, J. W. (2013). Language policies in education: Critical issues (Second edition.). Routledge.
Chicago-referens (17:e uppl.)Tollefson, James W. Language Policies in Education: Critical Issues. Second edition. New York: Routledge, 2013.
MLA-referens (8:e uppl.)Tollefson, James W. Language Policies in Education: Critical Issues. Second edition. Routledge, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.