Friedman, M. (2005). Trying hard is not good enough: How to produce measurable improvements for customers and communities. FPSI Publishing.
Citação norma ChicagoFriedman, Mark. Trying Hard Is Not Good Enough: How to Produce Measurable Improvements for Customers and Communities. Victoria, B.C.: FPSI Publishing, 2005.
Citação norma MLAFriedman, Mark. Trying Hard Is Not Good Enough: How to Produce Measurable Improvements for Customers and Communities. FPSI Publishing, 2005.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.