Catipon, E. (1999). Oh Christmas trees, oh Christmas trees! Philippine Star.
Chicagoスタイル(17版)引用形式Catipon, Eric. "Oh Christmas Trees, Oh Christmas Trees!" Philippine Star 1999.
MLA(9版)引用形式Catipon, Eric. "Oh Christmas Trees, Oh Christmas Trees!" Philippine Star, 1999.
警告: この引用は必ずしも正確ではありません.