Villanueva, M. A., & Diaz, J. (2003). GMA to GSIS: Explain art investments. Philippine Star.
芝加哥风格引文Villanueva, Marichu A., 与 Jess Diaz. "GMA to GSIS: Explain Art Investments." Philippine Star 2003.
MLA引文Villanueva, Marichu A., 与 Jess Diaz. "GMA to GSIS: Explain Art Investments." Philippine Star, 2003.
警告：这些引文格式不一定是100％准确.