Indon, R. M. (1999). The Informal sector. IN Commentary [column]. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Indon, Reginald M. "The Informal Sector. IN Commentary [column]." Philippine Daily Inquirer 1999.
MLA(9版)引用形式Indon, Reginald M. "The Informal Sector. IN Commentary [column]." Philippine Daily Inquirer, 1999.
警告: この引用は必ずしも正確ではありません.