Beltran, G. C. P. (1998). Stress and how it affects the skin [series]. Philippine Star.
芝加哥风格引文Beltran, Grace Carole P. "Stress and How It Affects the Skin [series]." Philippine Star 1998.
MLA引文Beltran, Grace Carole P. "Stress and How It Affects the Skin [series]." Philippine Star, 1998.
警告：这些引文格式不一定是100％准确.