Butt, P. Modern Legal Drafting A Guide To Using Clearer Language (2nd.). Cambridge University Press.
芝加哥风格引文Butt, Peter. Modern Legal Drafting A Guide To Using Clearer Language. 2nd. Australia Australia: Cambridge University Press.
MLA引文Butt, Peter. Modern Legal Drafting A Guide To Using Clearer Language. 2nd. Cambridge University Press.
警告：这些引文格式不一定是100％准确.