Gray, D. (1949). Fundamentals of librarianship ; an introduction for the use of candidates preparing for the entrance examination of the Library Association. G. Allen & Unwin.
Cita Chicago (17th ed.)Gray, Duncan. Fundamentals of Librarianship ; an Introduction for the Use of Candidates Preparing for the Entrance Examination of the Library Association. London: G. Allen & Unwin, 1949.
Cita MLA (9th ed.)Gray, Duncan. Fundamentals of Librarianship ; an Introduction for the Use of Candidates Preparing for the Entrance Examination of the Library Association. G. Allen & Unwin, 1949.
Atenció: Aquestes cites poden no estar 100% correctes.