Sison, J. C. (1979). A study of the information needs and uses of agricultural scientists in the University of the Philippines at Los Banos [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-referens (17:e uppl.)Sison, Josephine Caccam. A Study of the Information Needs and Uses of Agricultural Scientists in the University of the Philippines at Los Banos [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.
MLA-referens (9:e uppl.)Sison, Josephine Caccam. A Study of the Information Needs and Uses of Agricultural Scientists in the University of the Philippines at Los Banos [microform]. Photoduplication Service. University of the Philippines Library, 1979.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.