Bacasmas, E. E. (2004). Contritbution to national productivity: Senior citizenship. Philippine Star.
Chicagoスタイル(17版)引用形式Bacasmas, Eugene E. "Contritbution to National Productivity: Senior Citizenship." Philippine Star 2004.
MLA(9版)引用形式Bacasmas, Eugene E. "Contritbution to National Productivity: Senior Citizenship." Philippine Star, 2004.
警告: この引用は必ずしも正確ではありません.