Mable, J. A. (2001). 611th year founding anniversary of Sulu. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Mable, Jing A. "611th Year Founding Anniversary of Sulu." Manila Bulletin 2001.
Lua MLA (9ú heag.)Mable, Jing A. "611th Year Founding Anniversary of Sulu." Manila Bulletin, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.