Roberto, N. (2003). Wanted: Social marketers for public office. Philippine Daily Inquirer.
Cita Chicago (17th ed.)Roberto, Ned. "Wanted: Social Marketers for Public Office." Philippine Daily Inquirer 2003.
Cita MLA (9th ed.)Roberto, Ned. "Wanted: Social Marketers for Public Office." Philippine Daily Inquirer, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.