Rullan, M. E. (2001). Plebisito, nais ng Metro Mayors: MMDA power, palalawakin. Kabayan.
Lua i Stíl Chicago (17ú heag.)Rullan, Mercedes E. "Plebisito, Nais Ng Metro Mayors: MMDA Power, Palalawakin." Kabayan 2001.
Lua MLA (9ú heag.)Rullan, Mercedes E. "Plebisito, Nais Ng Metro Mayors: MMDA Power, Palalawakin." Kabayan, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.