Pamintuan, A. M. (1991). Malacañang accepts Ampil resignation / Ana Marie Pamintuan. Philippine Star.
Chicagoスタイル(17版)引用形式Pamintuan, Ana Marie. "Malacañang Accepts Ampil Resignation / Ana Marie Pamintuan." Philippine Star 1991.
MLA(9版)引用形式Pamintuan, Ana Marie. "Malacañang Accepts Ampil Resignation / Ana Marie Pamintuan." Philippine Star, 1991.
警告: この引用は必ずしも正確ではありません.