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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)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.
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