APA
Canfield J., . (2007). How to get from where you are to where you want to be : the 25 principles of success. London: Harper element.
Chicago
Canfield Jack, . 2007. How to get from where you are to where you want to be : the 25 principles of success. London: Harper element.
Harvard
Canfield J., . (2007). How to get from where you are to where you want to be : the 25 principles of success. London: Harper element.
MLA
Canfield Jack, . How to get from where you are to where you want to be : the 25 principles of success. London: Harper element. 2007.