David, R. J. (1999). The Trouble with e-mail. IN At large [column]. Philippine Daily Inquirer.
Chicago-viite (17. p.)David, Rina Jimenez. "The Trouble with E-mail. IN At Large [column]." Philippine Daily Inquirer 1999.
MLA-viite (9. p.)David, Rina Jimenez. "The Trouble with E-mail. IN At Large [column]." Philippine Daily Inquirer, 1999.
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