Cita APA (7th ed.)

David, R. S. (2016). Understanding the 4Ps. Philippine Daily Inquirer.

Cita Chicago (17th ed.)

David, Randolf S. "Understanding the 4Ps." Philippine Daily Inquirer 2016.

Cita MLA (9th ed.)

David, Randolf S. "Understanding the 4Ps." Philippine Daily Inquirer, 2016.