Sharpnack, R. (2007). Trade up!: Five steps for redesigning your leadership and life from the inside out. San Francisco: Jossey-Bass,J. Wiley & Sons.
Dyfyniad Arddull ChicagoSharpnack, Rayona. Trade Up!: Five Steps for Redesigning Your Leadership and Life From the Inside Out. San Francisco: Jossey-Bass,J. Wiley & Sons, 2007.
Dyfyniad MLASharpnack, Rayona. Trade Up!: Five Steps for Redesigning Your Leadership and Life From the Inside Out. San Francisco: Jossey-Bass,J. Wiley & Sons, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.