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.
芝加哥风格引文Liverpool. College of Commerce. School of Librarianship 与 Raymond Astbury. Libraries & the Book Trade: Papers Delivered at a Symposium Held at Liverpool School of Librarianship, May 1967. London: Bingley, 1968.
MLA引文Liverpool. College of Commerce. School of Librarianship 与 Raymond Astbury. Libraries & the Book Trade: Papers Delivered at a Symposium Held at Liverpool School of Librarianship, May 1967. Bingley, 1968.
警告：这些引文格式不一定是100％准确.