Tibbo, H. R. (1993). Abstracting, information retrieval, and the humanities: Providing access to historical literature. American Library Association.
芝加哥风格引文Tibbo, Helen R. Abstracting, Information Retrieval, and the Humanities: Providing Access to Historical Literature. Chicago: American Library Association, 1993.
MLA引文Tibbo, Helen R. Abstracting, Information Retrieval, and the Humanities: Providing Access to Historical Literature. American Library Association, 1993.
警告：这些引文格式不一定是100％准确.