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.
Style de citation Chicago (17e éd.)Canfield, Jack, Janet Switzer, et 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.
Style de citation MLA (8e éd.)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.
Attention : ces citations peuvent ne pas être correctes à 100%.