Calvert, H. (1974). Social security law. Sweet & Maxwell.
芝加哥风格引文Calvert, Harry. Social Security Law. London: Sweet & Maxwell, 1974.
MLA引文Calvert, Harry. Social Security Law. Sweet & Maxwell, 1974.
警告:这些引文格式不一定是100%准确.
Calvert, H. (1974). Social security law. Sweet & Maxwell.
芝加哥风格引文Calvert, Harry. Social Security Law. London: Sweet & Maxwell, 1974.
MLA引文Calvert, Harry. Social Security Law. Sweet & Maxwell, 1974.