Fisher, R. C. (1990). Agricultural Information Resource Centers: A world directory 1990 - ]. International Association of Agricultural Librarians and Documentalists.
Chicago-referens (17:e uppl.)Fisher, Rita C. Agricultural Information Resource Centers: A World Directory 1990 - ]. Twin Falls, Idaho: International Association of Agricultural Librarians and Documentalists, 1990.
MLA-referens (9:e uppl.)Fisher, Rita C. Agricultural Information Resource Centers: A World Directory 1990 - ]. International Association of Agricultural Librarians and Documentalists, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.