Perl, E. D. (2014). Thinking being: Introduction to metaphysics in the classical tradition. Brill.
芝加哥风格引文Perl, Eric David. Thinking Being: Introduction to Metaphysics in the Classical Tradition. Leiden, [The Netherlands]: Brill, 2014.
MLA引文Perl, Eric David. Thinking Being: Introduction to Metaphysics in the Classical Tradition. Brill, 2014.
警告：这些引文格式不一定是100％准确.