London. University. University College, School of Librarianship, Piggott, M., & Staveley, R. (1952). Government information and the research worker: Lectures delivered at a vacation course of the University of London School of Librarianship and Archives in April 1951. Library Association.
Chicago-Zitierstil (17. Ausg.)London. University. University College, School of Librarianship, Mary Piggott, und Ronald Staveley. Government Information and the Research Worker: Lectures Delivered at a Vacation Course of the University of London School of Librarianship and Archives in April 1951. London: Library Association, 1952.
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