Hubbard, D. W. (2007). How to measure anything: Finding the value of intangibles in business. John Wiley and Sons.
Cita Chicago (17th ed.)Hubbard, Douglas W. How to Measure Anything: Finding the Value of Intangibles in Business. Hoboken: John Wiley and Sons, 2007.
Cita MLA (9th ed.)Hubbard, Douglas W. How to Measure Anything: Finding the Value of Intangibles in Business. John Wiley and Sons, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.