Classification Research Group. (1961). The Sayers memorial volume: Essays in librarianship in memory of William Charles Bersick Sayers. Library Association.
Citazione stile Chigago Style (17a edizione)Classification Research Group. The Sayers Memorial Volume: Essays in Librarianship in Memory of William Charles Bersick Sayers. London: Library Association, 1961.
Citatione MLA (9a ed.)Classification Research Group. The Sayers Memorial Volume: Essays in Librarianship in Memory of William Charles Bersick Sayers. Library Association, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.