APA (7e ed.) Bronvermelding
Canfield, J., & Switzer, J. (2005). The success principles: How to get from where you are to where you want to be. HarperCollins.
Chicago (17e ed.) Bronvermelding
Canfield, Jack, en Janet Switzer. The Success Principles: How to Get from Where You Are to Where You Want to Be. New York: HarperCollins, 2005.
MLA (9e ed.) Bronvermelding
Canfield, Jack, en Janet Switzer. The Success Principles: How to Get from Where You Are to Where You Want to Be. HarperCollins, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.