Cita APA (7th ed.)

Virola, R. A. (2010). How rich is rich? Philippine Daily Inquirer.

Cita Chicago (17th ed.)

Virola, Romulo A. "How Rich Is Rich?" Philippine Daily Inquirer 2010.

Cita MLA (9th ed.)

Virola, Romulo A. "How Rich Is Rich?" Philippine Daily Inquirer, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.