Tuazon, B. P. (1999). Erap pushes Mindanao railway to hasten dev't. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Tuazon, Brenda P. "Erap Pushes Mindanao Railway to Hasten Dev't." Manila Bulletin 1999.
Lua MLA (9ú heag.)Tuazon, Brenda P. "Erap Pushes Mindanao Railway to Hasten Dev't." Manila Bulletin, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.