Alarilla, J. G. (2000). Pop quiz, hotshot: Who was 1st to offer free e-mail in RP. Philippine Daily Inquirer.
Παραπομπή σε μορφή Chicago (17η εκδ.)Alarilla, Joey G. "Pop Quiz, Hotshot: Who Was 1st to Offer Free E-mail in RP." Philippine Daily Inquirer 2000.
Παραπομπή σε μορφή MLA (9th εκδ.)Alarilla, Joey G. "Pop Quiz, Hotshot: Who Was 1st to Offer Free E-mail in RP." Philippine Daily Inquirer, 2000.
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