Della, P. D. (1999). Ambush interviews or press briefings. IN Commentary [column]. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Della, Percy D. "Ambush Interviews or Press Briefings. IN Commentary [column]." Philippine Daily Inquirer 1999.
Lua MLA (9ú heag.)Della, Percy D. "Ambush Interviews or Press Briefings. IN Commentary [column]." Philippine Daily Inquirer, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.