Symposium on Computer Bookcharging, Leeds, Eng, & Leeds Polytechnic. Dept. of Librarianship. (1970). Proceedings of a Symposium on Computer Bookcharging: Held at Leeds Polytechnic on 11th May, 1970. Leeds Polytechnic (Department of Librarianship).
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Symposium on Computer Bookcharging, Leeds, Eng, và Leeds Polytechnic. Dept. of Librarianship. Proceedings of a Symposium on Computer Bookcharging: Held at Leeds Polytechnic on 11th May, 1970. Leeds: Leeds Polytechnic (Department of Librarianship), 1970.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Symposium on Computer Bookcharging, Leeds, Eng, và Leeds Polytechnic. Dept. of Librarianship. Proceedings of a Symposium on Computer Bookcharging: Held at Leeds Polytechnic on 11th May, 1970. Leeds Polytechnic (Department of Librarianship), 1970.