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APA-referensCouncil of National Library Associations, Ash, L., & Uhlendorf, B. A. (1970). A Biographical directory of librarians in the United States and Canada (5th ed.). American Library Association.
Chicago-stil citatCouncil of National Library Associations, Lee Ash, och Bernhard Alexander Uhlendorf. A Biographical Directory of Librarians in the United States and Canada. 5th ed. Chicago: American Library Association, 1970.
MLA-referensCouncil of National Library Associations, et al. A Biographical Directory of Librarians in the United States and Canada. 5th ed. American Library Association, 1970.
Harvard-stil citatCouncil of National Library Associations, Ash, L. & Uhlendorf, B. A. 1970. A Biographical directory of librarians in the United States and Canada. 5th ed. Chicago: American Library Association.