Vo-Tong, X. (1977). Depithing of sugar cane bagasse by a biochemical processfor paper pulp manufacture [microform]. Photoduplication Service. University of the Philippines Library.
Lua i Stíl Chicago (17ú heag.)Vo-Tong, Xuan. Depithing of Sugar Cane Bagasse by a Biochemical Processfor Paper Pulp Manufacture [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Lua MLA (9ú heag.)Vo-Tong, Xuan. Depithing of Sugar Cane Bagasse by a Biochemical Processfor Paper Pulp Manufacture [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.