Field, O. P. (1930). A selection of cases and authorities on constitutional law. Callaghan and Co.
芝加哥风格引文Field, Oliver Peter. A Selection of Cases and Authorities on Constitutional Law. Chicago: Callaghan and Co, 1930.
MLA引文Field, Oliver Peter. A Selection of Cases and Authorities on Constitutional Law. Callaghan and Co, 1930.
警告：这些引文格式不一定是100％准确.