Velasco, S. H. (2012). Philippines-China ties cited by envoy. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Velasco, Sarah Hilomen. "Philippines-China Ties Cited by Envoy." Manila Bulletin 2012.
Lua MLA (9ú heag.)Velasco, Sarah Hilomen. "Philippines-China Ties Cited by Envoy." Manila Bulletin, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.