Sanchez, S. (2003). Digital art tops "Letras y Figuras" competition. Manila Times.
芝加哥风格引文Sanchez, Seymour. "Digital Art Tops "Letras Y Figuras" Competition." Manila Times 2003.
MLA引文Sanchez, Seymour. "Digital Art Tops "Letras Y Figuras" Competition." Manila Times, 2003.
警告：这些引文格式不一定是100％准确.