Williams, D. W. (2004). Davies: Principles of tax law (5th ed.). Sweet & Maxwell.
芝加哥风格引文Williams, David W. Davies: Principles of Tax Law. 5th ed. London: Sweet & Maxwell, 2004.
MLA引文Williams, David W. Davies: Principles of Tax Law. 5th ed. Sweet & Maxwell, 2004.
警告：这些引文格式不一定是100％准确.