Echavez, A. T. (2001). 1-M signature campaign against ROTC launched. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Echavez, Andrea Trinidad. "1-M Signature Campaign Against ROTC Launched." Philippine Daily Inquirer 2001.
Lua MLA (9ú heag.)Echavez, Andrea Trinidad. "1-M Signature Campaign Against ROTC Launched." Philippine Daily Inquirer, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.