Kelly, J. J. (2011). The essence of logic. Pearson.
芝加哥风格引文Kelly, John J. The Essence of Logic. Delhi: Pearson, 2011.
MLA引文Kelly, John J. The Essence of Logic. Pearson, 2011.
警告：这些引文格式不一定是100％准确.
APA引文
Kelly, J. J. (2011). The essence of logic. Pearson.
芝加哥风格引文Kelly, John J. The Essence of Logic. Delhi: Pearson, 2011.
MLA引文Kelly, John J. The Essence of Logic. Pearson, 2011.