Alferez, G. S. (2004). MSA: Introduction to calculus. MSA Academic Advancement Institute.
芝加哥风格引文Alferez, Gerard S. MSA: Introduction to Calculus. Quezon City: MSA Academic Advancement Institute, 2004.
MLA引文Alferez, Gerard S. MSA: Introduction to Calculus. MSA Academic Advancement Institute, 2004.
警告：这些引文格式不一定是100％准确.