APA(7版)引用形式

(2008). What PEN is about. Philippines Free Press.

Chicagoスタイル(17版)引用形式

"What PEN Is About." Philippines Free Press 2008.

MLA(9版)引用形式

"What PEN Is About." Philippines Free Press, 2008.

警告: この引用は必ずしも正確ではありません.