Merrett, C. E. (1976). Postgraduate school of librarianship and information science: Postgraduate school of librarianship and information science : map cataloguing and classification : a comparison of approaches. Sheffield: University.
Chicago stil citiranjaMerrett, Christopher Edmond. Postgraduate school of librarianship and information science: Postgraduate school of librarianship and information science : map cataloguing and classification : a comparison of approaches. Sheffield: University, 1976.
MLA stil citiranjaMerrett, Christopher Edmond. Postgraduate school of librarianship and information science: Postgraduate school of librarianship and information science : map cataloguing and classification : a comparison of approaches. Sheffield: University, 1976.