Young, H. C., & Young, M. L. (1981). Directory of special libraries and information centers: A guide to special libraries, research libraries, information centers, archives, and data centers maintained by government agencies, business, industry, newspapers, educational institutions, nonprofit organizations, and societies in the fields of science, technology, medicine, law, art, religion, history, social sciences, and humanistic studies. (Sixth edition.). Gale Research Company..
Chicago Style (17th ed.) CitationYoung, Harold Chester, and Margaret Labash Young. Directory of Special Libraries and Information Centers: A Guide to Special Libraries, Research Libraries, Information Centers, Archives, and Data Centers Maintained by Government Agencies, Business, Industry, Newspapers, Educational Institutions, Nonprofit Organizations, and Societies in the Fields of Science, Technology, Medicine, Law, Art, Religion, History, Social Sciences, and Humanistic Studies. Sixth edition. Detroit, Michigan.: Gale Research Company., 1981.
MLA (8th ed.) CitationYoung, Harold Chester, and Margaret Labash Young. Directory of Special Libraries and Information Centers: A Guide to Special Libraries, Research Libraries, Information Centers, Archives, and Data Centers Maintained by Government Agencies, Business, Industry, Newspapers, Educational Institutions, Nonprofit Organizations, and Societies in the Fields of Science, Technology, Medicine, Law, Art, Religion, History, Social Sciences, and Humanistic Studies. Sixth edition. Gale Research Company., 1981.