De Castro, M. (1992). BNPP revitalization efforts criticized anew. Philippine Collegian.
Lua i Stíl Chicago (17ú heag.)De Castro, M. "BNPP Revitalization Efforts Criticized Anew." Philippine Collegian 1992.
Lua MLA (9ú heag.)De Castro, M. "BNPP Revitalization Efforts Criticized Anew." Philippine Collegian, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.