Mendoza, P. R. (2000). Half-full or half-empty? Philippine Graphic.
芝加哥风格引文Mendoza, Psyche Roxas. "Half-full or Half-empty?" Philippine Graphic 2000.
MLA引文Mendoza, Psyche Roxas. "Half-full or Half-empty?" Philippine Graphic, 2000.
警告：这些引文格式不一定是100％准确.