Katigbak, J. R. (2007). Memorial held for Campbell. Philippine Star.
Chicagoスタイル(17版)引用形式Katigbak, Jose Roxas. "Memorial Held for Campbell." Philippine Star 2007.
MLA(9版)引用形式Katigbak, Jose Roxas. "Memorial Held for Campbell." Philippine Star, 2007.
警告: この引用は必ずしも正確ではありません.