Lerna, R. E. S. (1999). People-watching meets out for the birds. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Lerna, Ramon E. S. "People-watching Meets Out for the Birds." Philippine Daily Inquirer 1999.
Lua MLA (9ú heag.)Lerna, Ramon E. S. "People-watching Meets Out for the Birds." Philippine Daily Inquirer, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.