Santos, G. (1977). Alkaloids of Phaeanthus ebracteolatus (Presl. Merrill.) isolation of several salts of Phaeantharine, a new quaternary alkaloid [microform]. Photoduplication Service. University of the Philippines Library.
Citação do estilo Chicago (17ª ed.)Santos, Gertrudes. Alkaloids of Phaeanthus Ebracteolatus (Presl. Merrill.) Isolation of Several Salts of Phaeantharine, a New Quaternary Alkaloid [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Citação MLA (9ª ed.)Santos, Gertrudes. Alkaloids of Phaeanthus Ebracteolatus (Presl. Merrill.) Isolation of Several Salts of Phaeantharine, a New Quaternary Alkaloid [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.