Durrance, J. C., Fisher, K. E., & Hinton, M. B. (2005). How libraries and librarians help: A guide to identifying user-centered outcomes. American Library Association.
Lua i Stíl Chicago (17ú heag.)Durrance, Joan C., Karen E. Fisher, agus Marian Bouch Hinton. How Libraries and Librarians Help: A Guide to Identifying User-centered Outcomes. Chicago: American Library Association, 2005.
Lua MLA (9ú heag.)Durrance, Joan C., et al. How Libraries and Librarians Help: A Guide to Identifying User-centered Outcomes. American Library Association, 2005.
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