Roberto, N. (2003). Wanted: Social marketers for public office. Philippine Daily Inquirer.
Chicago-viite (17. p.)Roberto, Ned. "Wanted: Social Marketers for Public Office." Philippine Daily Inquirer 2003.
MLA-viite (9. p.)Roberto, Ned. "Wanted: Social Marketers for Public Office." Philippine Daily Inquirer, 2003.
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