Liverpool. College of Commerce. School of Librarianship & Astbury, R. (1968). Libraries & the book trade: Papers delivered at a symposium held at Liverpool School of Librarianship, May 1967. Bingley.
Chicago-referens (17:e uppl.)Liverpool. College of Commerce. School of Librarianship och Raymond Astbury. Libraries & the Book Trade: Papers Delivered at a Symposium Held at Liverpool School of Librarianship, May 1967. London: Bingley, 1968.
MLA-referens (8:e uppl.)Liverpool. College of Commerce. School of Librarianship och Raymond Astbury. Libraries & the Book Trade: Papers Delivered at a Symposium Held at Liverpool School of Librarianship, May 1967. Bingley, 1968.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.