Hubbard, D. W. (2014). How to measure anything workbook: Finding the value of "intangibles" in business (Third edition.). Wiley.
Cita Chicago (17th ed.)Hubbard, Douglas W. How to Measure Anything Workbook: Finding the Value of "Intangibles" in Business. Third edition. Hoboken, New Jersey: Wiley, 2014.
Cita MLA (9th ed.)Hubbard, Douglas W. How to Measure Anything Workbook: Finding the Value of "Intangibles" in Business. Third edition. Wiley, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.