Arroyo, D. M. (2001). Making big money by giving e-mail addresses for free. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Arroyo, Dennis M. "Making Big Money by Giving E-mail Addresses for Free." Philippine Daily Inquirer 2001.
Lua MLA (9ú heag.)Arroyo, Dennis M. "Making Big Money by Giving E-mail Addresses for Free." Philippine Daily Inquirer, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.