Indon, R. M. (1999). The Informal sector. IN Commentary [column]. Philippine Daily Inquirer.
Cita Chicago Style (17a ed.)Indon, Reginald M. "The Informal Sector. IN Commentary [column]." Philippine Daily Inquirer 1999.
Cita MLA (9a ed.)Indon, Reginald M. "The Informal Sector. IN Commentary [column]." Philippine Daily Inquirer, 1999.
Precaución: Estas citas no son 100% exactas.