Mantaring, R. M. (1977). Kinetic studies in the ammoniacal leaching of nickel [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-referens (17:e uppl.)Mantaring, Rufino M. Kinetic Studies in the Ammoniacal Leaching of Nickel [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA-referens (9:e uppl.)Mantaring, Rufino M. Kinetic Studies in the Ammoniacal Leaching of Nickel [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.