Gabriel, A. L. (1968). A summary catalogue of microfilms of one thousand scientific manuscripts in the Ambrosiana Library, Milan. The Mediaeval Institution , University of Notre Dame.
芝加哥风格引文Gabriel, Astrik L. A Summary Catalogue of Microfilms of One Thousand Scientific Manuscripts in the Ambrosiana Library, Milan. Notre Dame, Ind: The Mediaeval Institution , University of Notre Dame, 1968.
MLA引文Gabriel, Astrik L. A Summary Catalogue of Microfilms of One Thousand Scientific Manuscripts in the Ambrosiana Library, Milan. The Mediaeval Institution , University of Notre Dame, 1968.
警告：这些引文格式不一定是100％准确.