Gray, D. (1949). Fundamentals of librarianship: An introduction for the use of candidates preparing for the entrance examination of the Library Association. Allen & Unwin.
Chicago-Zitierstil (17. Ausg.)Gray, Duncan. Fundamentals of Librarianship: An Introduction for the Use of Candidates Preparing for the Entrance Examination of the Library Association. London: Allen & Unwin, 1949.
MLA-Zitierstil (9. Ausg.)Gray, Duncan. Fundamentals of Librarianship: An Introduction for the Use of Candidates Preparing for the Entrance Examination of the Library Association. Allen & Unwin, 1949.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.