San Diego, B. S. J. (2016). Butterflies are free. IN Heard [column]. Philippine Daily Inquirer.
Cita Chicago (17th ed.)San Diego, Bayani S. Jr. "Butterflies Are Free. IN Heard [column]." Philippine Daily Inquirer 2016.
Cita MLA (9th ed.)San Diego, Bayani S. Jr. "Butterflies Are Free. IN Heard [column]." Philippine Daily Inquirer, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.