Covey, A. A. (1972). Reviewing of reference books: An evaluation of the effectiveness of selected announcement, review and index media in their coverage of reference books. Scarecrow.
芝加哥风格引文Covey, Alma A. Reviewing of Reference Books: An Evaluation of the Effectiveness of Selected Announcement, Review and Index Media in Their Coverage of Reference Books. Metuchen, N. J: Scarecrow, 1972.
MLA引文Covey, Alma A. Reviewing of Reference Books: An Evaluation of the Effectiveness of Selected Announcement, Review and Index Media in Their Coverage of Reference Books. Scarecrow, 1972.
警告：这些引文格式不一定是100％准确.