Canfield, J., & Shelly, G. B. (2007). How to get from where you are to where you want to be: The 25 principles of success (Coursecard ed.). HarperElement.
Chicago Style (17. basım) AtıfCanfield, Jack, ve Gary B. Shelly. How to Get from Where You Are to Where You Want to Be: The 25 Principles of Success. Coursecard ed. London: HarperElement, 2007.
MLA (8th ed.) AtıfCanfield, Jack, ve Gary B. Shelly. How to Get from Where You Are to Where You Want to Be: The 25 Principles of Success. Coursecard ed. HarperElement, 2007.
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