Hollingsworth, D. (1954). Rocks in the roadway; a treatise on police public relations, by a police officer, for police officers. s.n.
芝加哥风格引文Hollingsworth, Dan. Rocks in the Roadway; a Treatise on Police Public Relations, by a Police Officer, for Police Officers. Chicago: s.n, 1954.
MLA引文Hollingsworth, Dan. Rocks in the Roadway; a Treatise on Police Public Relations, by a Police Officer, for Police Officers. s.n, 1954.
警告：这些引文格式不一定是100％准确.