(1971). The changing environment of libraries: Papers delivered at the 1970-71 colloquium series, Graduate School of Librarianship, University of Denver. American Library Association.
Dyfyniad Arddull ChicagoThe Changing Environment of Libraries: Papers Delivered at the 1970-71 Colloquium Series, Graduate School of Librarianship, University of Denver. Chicago: American Library Association, 1971.
Dyfyniad MLAThe Changing Environment of Libraries: Papers Delivered at the 1970-71 Colloquium Series, Graduate School of Librarianship, University of Denver. American Library Association, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.