APA (7th ed.) Zitazioa
Hubbard, D. W. (2014). How to measure anything: Finding the value of "intangibles" in business (Third edition.). Wiley.
Chicago Style (17th ed.) Zitazioa
Hubbard, Douglas W. How to Measure Anything: Finding the Value of "Intangibles" in Business. Third edition. Hoboken, New Jersey: Wiley, 2014.
MLA (9th ed.) Zitazioa
Hubbard, Douglas W. How to Measure Anything: Finding the Value of "Intangibles" in Business. Third edition. Wiley, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.