Hubbard, D. W. (2010). How to measure anything: Finding the value of intangibles in business (2a. ed.). John Wiley and Sons, Inc.
Citace podle Chicago (17th ed.)Hubbard, Douglas W. How to Measure Anything: Finding the Value of Intangibles in Business. 2a. ed. Hoboken: John Wiley and Sons, Inc, 2010.
Citace podle MLA (9th ed.)Hubbard, Douglas W. How to Measure Anything: Finding the Value of Intangibles in Business. 2a. ed. John Wiley and Sons, Inc, 2010.
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