Oliva, E. L. (2002). Study shows Pinoys prefer SMS over e-mail. Philippine Daily Inquirer.
Chicago-viite (17. p.)Oliva, Erwin Lemuel. "Study Shows Pinoys Prefer SMS over E-mail." Philippine Daily Inquirer 2002.
MLA-viite (9. p.)Oliva, Erwin Lemuel. "Study Shows Pinoys Prefer SMS over E-mail." Philippine Daily Inquirer, 2002.
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