Lua APA (7ú heag.)

Veridiano, D. (2001). Erap, Ping nemesis is top PNP spy. Philippine Daily Inquirer.

Lua i Stíl Chicago (17ú heag.)

Veridiano, Dave. "Erap, Ping Nemesis Is Top PNP Spy." Philippine Daily Inquirer 2001.

Lua MLA (9ú heag.)

Veridiano, Dave. "Erap, Ping Nemesis Is Top PNP Spy." Philippine Daily Inquirer, 2001.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.