Crisostomo, I. T. (2001). Dr. Pio Valenzuela's last KKK mission. Philippine Star.
Chicagoスタイル(17版)引用形式Crisostomo, Isabelo T. "Dr. Pio Valenzuela's Last KKK Mission." Philippine Star 2001.
MLA(9版)引用形式Crisostomo, Isabelo T. "Dr. Pio Valenzuela's Last KKK Mission." Philippine Star, 2001.
警告: この引用は必ずしも正確ではありません.