Layman, S. (2005). The Power of Logic. McGraw Hill Companies Inc.
Trích dẫn kiểu ChicagoLayman, Stephen. The Power of Logic. McGraw Hill Companies Inc, 2005.
MLA引文Layman, Stephen. The Power of Logic. McGraw Hill Companies Inc, 2005.
警告：這些引文格式不一定是100％准確.