Dyfyniad APA
Canfield, J., & Switzer, J. (2005). The success principles: How to get from where you are to where you want to be. HarperCollins.
Dyfyniad Arddull Chicago
Canfield, Jack, and Janet Switzer. The Success Principles: How to Get from Where You Are to Where You Want to Be. New York: HarperCollins, 2005.
Dyfyniad MLA
Canfield, Jack, and Janet Switzer. The Success Principles: How to Get from Where You Are to Where You Want to Be. HarperCollins, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.