Canfield, J., Switzer, J., & Campbell, D. (2015). The success principles: How to get from where you are to where you want to be (10th anniversary edition.). Harper Audio.
Chicago Style (17th ed.) CitationCanfield, Jack, Janet Switzer, and Danny Campbell. The Success Principles: How to Get from Where You Are to Where You Want to Be. 10th anniversary edition. [New York]: Harper Audio, 2015.
MLA引文Canfield, Jack, et al. The Success Principles: How to Get from Where You Are to Where You Want to Be. 10th anniversary edition. Harper Audio, 2015.
警告：這些引文格式不一定是100％准確.