(1999). Nationalist historian Constantino dies, so. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)"Nationalist Historian Constantino Dies, so." Philippine Daily Inquirer 1999.
Lua MLA (9ú heag.)"Nationalist Historian Constantino Dies, so." Philippine Daily Inquirer, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.