Classification Research Group. (1961). The Sayers memorial volume: Essays in librarianship in memory of William Charles Bersick Sayers. Library Association.
Цитирование в стиле Чикаго (17-е изд.)Classification Research Group. The Sayers Memorial Volume: Essays in Librarianship in Memory of William Charles Bersick Sayers. London: Library Association, 1961.
Цитирование MLA (9-е изд.)Classification Research Group. The Sayers Memorial Volume: Essays in Librarianship in Memory of William Charles Bersick Sayers. Library Association, 1961.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.