APA (7th ed.) Zitazioa

Cohen, J. A. (2005). Intangible assets: Valuation and economic benefit. Wiley.

Chicago Style (17th ed.) Zitazioa

Cohen, Jeffrey A. Intangible Assets: Valuation and Economic Benefit. Hoboken, N.J.: Wiley, 2005.

MLA (9th ed.) Zitazioa

Cohen, Jeffrey A. Intangible Assets: Valuation and Economic Benefit. Wiley, 2005.