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.
Citazione stile Chigago Style (17a edizione)London. University. University College, School of Librarianship, Mary Piggott, e 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.
Citatione MLA (9a ed.)London. University. University College, School of Librarianship, et al. 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, 1952.