Santiago, B. M. (1975). Sa agos ng batis [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-referens (17:e uppl.)Santiago, Belen Manalo. Sa Agos Ng Batis [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1975.
MLA-referens (9:e uppl.)Santiago, Belen Manalo. Sa Agos Ng Batis [microform]. Photoduplication Service. University of the Philippines Library, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.