Johnson, D. C. (2013). Language policy. New York, NY : Palgrave Macmillan.
芝加哥风格引文Johnson, David Cassels. Language Policy. Houndmills, Basingstoke, Hampshire: New York, NY : Palgrave Macmillan, 2013.
MLA引文Johnson, David Cassels. Language Policy. New York, NY : Palgrave Macmillan, 2013.
警告：这些引文格式不一定是100％准确.