Association of Research Libraries. (1990). ARL: A bimonthly newsletter of research library issues and actions. Association of Research Libraries.
Chicago-referens (17:e uppl.)Association of Research Libraries. ARL: A Bimonthly Newsletter of Research Library Issues and Actions. Washington, DC: Association of Research Libraries, 1990.
MLA-referens (8:e uppl.)Association of Research Libraries. ARL: A Bimonthly Newsletter of Research Library Issues and Actions. Association of Research Libraries, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.