Calvert, H. (1979). Cases and materials on social security law. Sweet & Maxwell.
芝加哥风格引文Calvert, Harry. Cases and Materials on Social Security Law. London: Sweet & Maxwell, 1979.
MLA引文Calvert, Harry. Cases and Materials on Social Security Law. Sweet & Maxwell, 1979.
警告：这些引文格式不一定是100％准确.