Hubbard, D. W. (2014). How to measure anything workbook: Finding the value of "intangibles" in business (Third edition.). Wiley.
Chicago-čujuhus (17. p.)Hubbard, Douglas W. How to Measure Anything Workbook: Finding the Value of "Intangibles" in Business. Third edition. Hoboken, New Jersey: Wiley, 2014.
MLA-čujuhus (9. p.)Hubbard, Douglas W. How to Measure Anything Workbook: Finding the Value of "Intangibles" in Business. Third edition. Wiley, 2014.
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